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Can I save a MATLAB variable generated by a function into another MATLAB function?
You can use global variables by this line of code in all functions that share the same variables: global var1 var2 var3

3 years ago | 0

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Factorial without the Command
Using only basic operations: function f = Factorial(n) % % initial value, 0! and 1! f = 1; if n > 1 for i=2:n ...

3 years ago | 0

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Factorial without the Command
function f = Factorial(n) % % if n = 0 || n = 1 f = 1; elseif n >= 1 f = n * Factorial(n-1); end

3 years ago | 0

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Loop for creating Submatrix
It should not be two nested loops. You can use one loop that increases a counter. You can use this code that doesn't need a loo...

3 years ago | 0

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Answered
How to enter a function into matlab
H/2*sigma.*cosh(k.*(h+z))./sinh(k.*h).*cos(k.*x-sigma.*t) H/2*sigma.^2.*cosh(k.*(h+z))./sinh(k.*h).*sin(k.*x-sigma.*t)

3 years ago | 0

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Answered
Index in position 1 exceeds array bounds (must not exceed 2 )
try this for i = j:size(A,1)

3 years ago | 0

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Shadow on xy plane of line in plot3?
use surfc function but you need a grid in x and y directions

3 years ago | 0

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Least squares regression to find coefficients
one solution is: [length(x) sum(x); sum(x) sum(x.^2)]\[sum(y) ; sum(x.*y)]

3 years ago | 0

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How to plot this eqaution
t=0:.001:1.0; s4 = cos(80*pi*t-10*pi).*(t>0.5 && t<=1.0);

3 years ago | 1

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how can we solve non-linear equations like this via MATLAB, I am trying to solve it by using following program but it shows error, shown below in the pic? Thanks in advance.
eqns = [2*u + v == 0, u - v == 1]; S = solve(eqns,[u v]) clear syms a1 a2 a3 a4 eqn1 = cos(a1)+cos(a2)+ cos(a3)+ cos(a4) ==3...

3 years ago | 0

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Why is there a difference in the error when using "syms approach" and "@(x) approach" while defining functions in MATLAB?
Method 2 is an approximate method for finding the derivative of a function

3 years ago | 0

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how can we solve non-linear equations like this via MATLAB, I am trying to solve it by using following program but it shows error, shown below in the pic? Thanks in advance.
You have used cos function and your equations are not linear.

3 years ago | 0

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Writing data into a text file - fprintf
You should use variables like ReactionTime as global Use this code after the function definition: global ReactionTime cd Use ...

3 years ago | 0

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How to generate a matrix with assigned probability?
% x is the probability of 1 % m rows and n columns A=binornd(1,x,n,m)'; % another random matrix A=binornd(1,x,n,m)';

3 years ago | 1

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Index from one vector to different sized vector
% v1 the first vector % v2 the matrix [~, ~, i2] = intersect(v1, v2(:,1)); newMatrix = v2(t2,:);

3 years ago | 0

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Roll a 6-sided die until you have rolled a total of 25 6's.
find(cumsum(randi(6,1,1000)==6)==25,1)

3 years ago | 0

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calling a function in a different script.
One solution is that you can use this command at the top of the files that use 'r' global r; Just after function definition...

3 years ago | 0

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Why does my code output answers in log?
Use double(solve([1000000==300*((((1+0.08/12)^(n+1)/(0.08/12)-1)))])) to solve this financial problem (interest rate)

3 years ago | 1

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How to return an array to single value?
The size of x is different from G and Tamb

3 years ago | 0

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Plotting functions using loop
lambda=1; gamma1=0.3; n=0:1:15; P1 = (lambda.^n)./(lambda+gamma1).^(n+1)); plot(n, P1);

3 years ago | 0

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Answered
Negative indexing of an array
There is no non-positive indexing in Matlab. you can use x(end) for the last member, x(end-1) the member before the last membe...

3 years ago | 0

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How i can write this in matlab in optimized form using intermediate variables????
sy = sin(y); asy = abs(sy); xt = x + tan(y); xtn = x + log(abs(tan(y))); tx = 2*x+sy^2; ot =1/3; R1 = abs(x)*xt/(50*x^2+as...

3 years ago | 0

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How i can write this in matlab??? x=-1.75*10^-3; y=3.1*pi;
R1 = abs(x).*(x+tan(y))./(50*x.^2+abs(sin(y))).^(1/3)+(5*x.^2+abs(sin(y))).^2.2./(x.^2 .* (x+tan(y)).^4); R2 = sinh(sqrt(2*x+(s...

3 years ago | 1

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Number of odd numbers in an array
function n = myNOdds(x) n = sum(mod(x,2)==1); end

3 years ago | 1

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Output of a for loop
You can use this code: %%Acting Forces on the beam and position F2=(-4); x2=0.4; L=1; %Constant EI Assumed 100 kN.m^2 (fr...

3 years ago | 0

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Answered
I'm trying to get a vector from a loop without doing the linspace function
vector = zeros(1,5); j = 1; for i = 0:1.25:5; vector(j) = i; j = j+ 1; end disp(vector)

3 years ago | 0

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Graph line not showing
Several issues in your code: 1- it has only one point (use plot(x, y) ) 2- The angle should be in radians not degrees. For ang...

3 years ago | 0

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How do I write the following in matlab ?
H1 = (x.*(1+x.^2).*(1+2*x).^2).^2.3 ./ log(abs(cot(y))) + (log(abs(cot(y)))-x) ./(x.*(1+x.^2).*(1+2*x).^2); R2 = sinh(sqrt(2*x+...

3 years ago | 0

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Can you help me write the following in matlab ?
H1 = (x*(1+x^2)*(1+2*x)^2)^2.3 / -log(abs(tan(y))) + (-log(abs(tan(y)))-x) /(x*(1+x^2)*(1+2*x)^2); R2 = sinh(sqrt(2*x+(sin(y)^2...

3 years ago | 0

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How do I write the following in matlab ?
H1 = (x*(1+x^2)*(1+2*x)^2)^2.3 / -log(abs(tan(y))) + (-log(abs(tan(y)))-x) /(x*(1+x^2)*(1+2*x)^2); R2 = sinh(sqrt(2*x+(sin(y)^2...

3 years ago | 0