where is the error in my code?
2 views (last 30 days)
Show older comments
Hi every one,
I would like to plot the relationship between the integral (fun) and the variable (w) from 1 to 4 and I used the following code. However, the plot seems to be wrong! where is the error?
syms w x
V1 = @(w) -acosh(10*(w./(21))^(1/2))/10000000000;
V2 = @(w) acosh(10*(w./(21))^(1/2))/10000000000;
fun = @(x,w)0.0018./((w./((cosh(10^10.*x./1)).^2)-(0.21)).^0.5);
q = @(w) integral(@(x)fun(x,w),V1(w),V2(w));
w = 1:4;
fplot(w,q)
0 Comments
Answers (1)
Torsten
on 25 Jun 2022
V1 = @(r,w) -acosh(10*(w/(1600*r + 21))^(1/2))/20000000000;
V2 = @(r,w) acosh(10*(w/(1600*r + 21))^(1/2))/20000000000;
% Define function to be integrated
fun = @(x,r,w)2.3*r.*0.0018./((w./((cosh(10^10.*x./0.5)).^2)-(r.*16+0.21)).^(1/2));
r = 0.001:0.001:0.07;
w = 0:0.1:5;
[R,W] = meshgrid(r,w);
F = @(r,w)integral(@(x)fun(x,r,w),V1(r,w),V2(r,w));
result = arrayfun(F,R,W)
0 Comments
See Also
Categories
Find more on Line Plots in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!