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solve equation numerically 1=(1/y)x*exp(x*y)
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hi,
please, i want to solve numerically the following equation in matlab: 1=(1/y)x*exp(x*y)
Sincerely
Accepted Answer
Bruno Luong
on 10 Aug 2022
Edited: Bruno Luong
on 10 Aug 2022
Numercial solution
y = 0.01:0.01:1;
x = nan(size(y));
for k=1:length(y)
yk = y(k);
x(k) = fzero(@(x)x.*exp(x.*yk)-yk, 0.5);
end
plot(x,y)
xlabel('x')
ylabel('y')
5 Comments
belghazdis mohammed
on 10 Aug 2022
Edited: belghazdis mohammed
on 10 Aug 2022
thank you very much for your answer. when i tried to apply your algorithm on my real equation which is
0.016=(44/y)^(1/2)*x^(1/2)*exp(-(y/44)*x^(5/3))
x = 0.01:0.1:1;
y = nan(size(x));
for k=1:length(x)
xk = x(k);
y(k) = fzero(@(y)(44./y).^(1/2).*xk.^(1/2).*exp(-xk.^(5/3).*(y/44))-0.016, 0.5)
end
plot(x,y)
xlabel('x')
ylabel('y')
i get the following message:
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -0.14 is -0.016+16.9576i.)
Check function or try again with a different starting value.
y =
NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN
belghazdis mohammed
on 10 Aug 2022
f=@(x,y)(44./y).^(1/2).*x.^(1/2).*exp(-(y/44).*x.^(5/3))-0.016;
[x,y]=meshgrid(0:0.02:1, 0:5000);
z=f(x,y);
contour(x,y,z,[0 0]) % the plot is empty
Bruno Luong
on 10 Aug 2022
Edited: Bruno Luong
on 10 Aug 2022
You should NOT to change the question, either you know the simplification is representative, either you don't then don't do it, this is wasteful for volonteer to answer the wrong question.
f=@(x,y)(44./y).^(1/2).*x.^(1/2).*exp(-(y/44).*x.^(5/3))-0.016;
[x,y]=meshgrid(0:0.01:1, 0:5000);
z=f(x,y);
c=contourc(x(1,:),y(:,1),z,[0 0]);
j = 1;
xy = c;
jrm = [];
while j <= size(c,2)
jrm = [jrm, j];
j = c(2,j)+j+1;
end
xy(:,jrm) = [];
xy = sortrows(xy',1);
x = xy(:,1);
y = xy(:,2);
for k=1:length(x)
try
y(k) = fzero(@(y)f(x(k),y), y(k));
catch
y(k) = NaN;
end
end
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -0.28 is -0.016+0.19469i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -0.56 is -0.016+0.16372i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -0.84 is -0.016+0.14793i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -1.12 is -0.016+0.13767i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -1.4 is -0.016+0.1302i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -1.68 is -0.016+0.1244i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -1.96 is -0.016+0.1197i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -2.24 is -0.016+0.11577i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -2.52 is -0.016+0.11241i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -2.8 is -0.016+0.10949i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -3.08 is -0.016+0.10691i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -3.36 is -0.016+0.10461i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -3.64 is -0.016+0.10254i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -3.92 is -0.016+0.10066i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -4.2 is -0.016+0.098936i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -4.48 is -0.016+0.097353i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -4.76 is -0.016+0.09589i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -5.04 is -0.016+0.09453i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -5.32 is -0.016+0.093261i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -5.6 is -0.016+0.092073i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -5.88 is -0.016+0.090957i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -6.16 is -0.016+0.089906i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -6.44 is -0.016+0.088913i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -6.72 is -0.016+0.087973i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -7 is -0.016+0.08708i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -7.28 is -0.016+0.086231i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -7.56 is -0.016+0.085421i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -7.84 is -0.016+0.084649i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -8.12 is -0.016+0.08391i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -8.4 is -0.016+0.083202i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -8.68 is -0.016+0.082523i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -8.96 is -0.016+0.081871i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -9.24 is -0.016+0.081244i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -9.52 is -0.016+0.080641i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -9.8 is -0.016+0.080059i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -10.08 is -0.016+0.079497i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -10.36 is -0.016+0.078955i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -10.64 is -0.016+0.078431i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -10.92 is -0.016+0.077924i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -11.2 is -0.016+0.077432i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -11.48 is -0.016+0.076956i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -11.76 is -0.016+0.076495i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -12.04 is -0.016+0.076046i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -12.32 is -0.016+0.075611i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -12.6 is -0.016+0.075188i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -12.88 is -0.016+0.074776i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -13.16 is -0.016+0.074376i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -13.44 is -0.016+0.073986i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -13.72 is -0.016+0.073606i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -14 is -0.016+0.073235i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -14.28 is -0.016+0.072874i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -14.56 is -0.016+0.072521i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -14.84 is -0.016+0.072177i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -15.12 is -0.016+0.071841i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -15.4 is -0.016+0.071513i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -15.68 is -0.016+0.071192i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -15.96 is -0.016+0.070878i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -16.24 is -0.016+0.070571i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -16.52 is -0.016+0.07027i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -16.8 is -0.016+0.069976i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -17.08 is -0.016+0.069688i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -17.36 is -0.016+0.069405i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -17.64 is -0.016+0.069129i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -17.92 is -0.016+0.068857i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -18.2 is -0.016+0.068591i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -18.48 is -0.016+0.068331i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -18.76 is -0.016+0.068075i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -19.04 is -0.016+0.067823i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -19.32 is -0.016+0.067577i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -19.6 is -0.016+0.067334i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -19.88 is -0.016+0.067096i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -20.16 is -0.016+0.066862i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -20.44 is -0.016+0.066633i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -20.72 is -0.016+0.066407i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -21 is -0.016+0.066185i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -21.28 is -0.016+0.065966i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -21.56 is -0.016+0.065751i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -21.84 is -0.016+0.06554i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -22.12 is -0.016+0.065332i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -22.4 is -0.016+0.065127i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -22.68 is -0.016+0.064926i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -22.96 is -0.016+0.064727i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -23.24 is -0.016+0.064532i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -23.52 is -0.016+0.064339i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -23.8 is -0.016+0.064149i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -24.08 is -0.016+0.063963i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -24.36 is -0.016+0.063778i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -24.64 is -0.016+0.063597i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -24.92 is -0.016+0.063418i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -25.2 is -0.016+0.063241i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -25.48 is -0.016+0.063067i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -25.76 is -0.016+0.062895i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -26.04 is -0.016+0.062726i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -26.32 is -0.016+0.062559i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -26.6 is -0.016+0.062394i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -26.88 is -0.016+0.062231i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -27.16 is -0.016+0.06207i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -27.44 is -0.016+0.061912i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -27.72 is -0.016+0.061755i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -28 is -0.016+0.061601i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -28.28 is -0.016+0.061448i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -28.56 is -0.016+0.061297i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -28.84 is -0.016+0.061148i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -29.12 is -0.016+0.061001i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -29.4 is -0.016+0.060856i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -29.68 is -0.016+0.060712i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -29.96 is -0.016+0.06057i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -30.24 is -0.016+0.06043i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -30.52 is -0.016+0.060291i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -30.8 is -0.016+0.060154i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -31.08 is -0.016+0.060018i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -31.36 is -0.016+0.059884i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -31.64 is -0.016+0.059751i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -31.92 is -0.016+0.05962i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -32.2 is -0.016+0.059491i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -32.48 is -0.016+0.059362i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -32.76 is -0.016+0.059235i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -33.04 is -0.016+0.05911i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -33.32 is -0.016+0.058986i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -33.6 is -0.016+0.058863i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -33.88 is -0.016+0.058741i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -34.16 is -0.016+0.058621i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -34.44 is -0.016+0.058502i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -34.72 is -0.016+0.058384i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -35 is -0.016+0.058267i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -35.28 is -0.016+0.058151i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -35.56 is -0.016+0.058037i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -35.84 is -0.016+0.057923i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -36.12 is -0.016+0.057811i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -36.4 is -0.016+0.0577i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -36.68 is -0.016+0.05759i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -36.96 is -0.016+0.057481i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -37.24 is -0.016+0.057373i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -37.52 is -0.016+0.057266i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -37.8 is -0.016+0.05716i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -38.08 is -0.016+0.057055i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -38.36 is -0.016+0.056951i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -38.64 is -0.016+0.056848i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -38.92 is -0.016+0.056745i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -39.2 is -0.016+0.056644i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -39.48 is -0.016+0.056544i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -39.76 is -0.016+0.056444i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -40.04 is -0.016+0.056346i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -40.32 is -0.016+0.056248i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -40.6 is -0.016+0.056151i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -40.88 is -0.016+0.056055i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -41.16 is -0.016+0.05596i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -41.44 is -0.016+0.055865i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -41.72 is -0.016+0.055772i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -42 is -0.016+0.055679i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -42.28 is -0.016+0.055587i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -42.56 is -0.016+0.055495i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -42.84 is -0.016+0.055405i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -43.12 is -0.016+0.055315i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -43.4 is -0.016+0.055226i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -43.68 is -0.016+0.055138i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -43.96 is -0.016+0.05505i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -44.24 is -0.016+0.054963i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -44.52 is -0.016+0.054877i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -44.8 is -0.016+0.054791i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -45.08 is -0.016+0.054706i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -45.36 is -0.016+0.054622i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -45.64 is -0.016+0.054538i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -45.92 is -0.016+0.054455i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -46.2 is -0.016+0.054373i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -46.48 is -0.016+0.054291i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -46.76 is -0.016+0.05421i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -47.04 is -0.016+0.054129i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -47.32 is -0.016+0.054049i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -47.6 is -0.016+0.05397i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -47.88 is -0.016+0.053891i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -48.16 is -0.016+0.053813i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -48.44 is -0.016+0.053736i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -48.72 is -0.016+0.053659i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -49 is -0.016+0.053582i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -49.28 is -0.016+0.053506i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -49.56 is -0.016+0.053431i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -49.84 is -0.016+0.053356i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -50.12 is -0.016+0.053281i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -50.4 is -0.016+0.053208i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -50.68 is -0.016+0.053134i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -50.96 is -0.016+0.053061i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -51.24 is -0.016+0.052989i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -51.52 is -0.016+0.052917i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -51.8 is -0.016+0.052846i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -52.08 is -0.016+0.052775i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -52.36 is -0.016+0.052705i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -52.64 is -0.016+0.052635i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -52.92 is -0.016+0.052565i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -53.2 is -0.016+0.052496i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -53.48 is -0.016+0.052428i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -53.76 is -0.016+0.05236i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -54.04 is -0.016+0.052292i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -54.32 is -0.016+0.052225i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -54.6 is -0.016+0.052158i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -54.88 is -0.016+0.052092i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -55.16 is -0.016+0.052026i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -55.44 is -0.016+0.051961i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -55.72 is -0.016+0.051895i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -56 is -0.016+0.051831i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -56.28 is -0.016+0.051767i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -56.56 is -0.016+0.051703i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -56.84 is -0.016+0.051639i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -57.12 is -0.016+0.051576i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -57.4 is -0.016+0.051513i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -57.68 is -0.016+0.051451i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -57.96 is -0.016+0.051389i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -58.24 is -0.016+0.051328i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -58.52 is -0.016+0.051266i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -58.8 is -0.016+0.051206i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -59.08 is -0.016+0.051145i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -59.36 is -0.016+0.051085i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -59.64 is -0.016+0.051025i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -59.92 is -0.016+0.050966i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -60.2 is -0.016+0.050907i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -60.48 is -0.016+0.050848i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -60.76 is -0.016+0.05079i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -61.04 is -0.016+0.050732i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -61.32 is -0.016+0.050674i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -61.6 is -0.016+0.050617i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -61.88 is -0.016+0.05056i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -62.16 is -0.016+0.050503i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -62.44 is -0.016+0.050447i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -62.72 is -0.016+0.05039i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -63 is -0.016+0.050335i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -63.28 is -0.016+0.050279i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -63.56 is -0.016+0.050224i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -63.84 is -0.016+0.050169i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -64.12 is -0.016+0.050115i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -64.4 is -0.016+0.05006i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -64.68 is -0.016+0.050006i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -64.96 is -0.016+0.049953i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -65.24 is -0.016+0.049899i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -65.52 is -0.016+0.049846i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -65.8 is -0.016+0.049794i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -66.08 is -0.016+0.049741i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -66.36 is -0.016+0.049689i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -66.64 is -0.016+0.049637i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -66.92 is -0.016+0.049585i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -67.2 is -0.016+0.049534i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -67.48 is -0.016+0.049483i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -67.76 is -0.016+0.049432i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -68.04 is -0.016+0.049381i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -68.32 is -0.016+0.049331i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -68.6 is -0.016+0.049281i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -68.88 is -0.016+0.049231i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered during search.
(Function value at -69.16 is -0.016+0.049181i.)
Check function or try again with a different starting value.
Exiting fzero: aborting search for an interval containing a sign change
because complex function value encountered dur...
plot(x,y);
More Answers (1)
KSSV
on 10 Aug 2022
syms x y
f = 1==1/y*x*exp(x*y)
f =
solve(f,x)
ans =
solve(f,y)
Warning: Solutions are only valid under certain conditions. To include parameters and conditions in the solution, specify the 'ReturnConditions' value as 'true'.
ans =
3 Comments
belghazdis mohammed
on 10 Aug 2022
Thank you very much for your answer. for me I am looking for the values of y when x varies between 0.1 and 1.
thank you in advance
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