Answered
vpasolve gives me only 1 x-value of intersection
vpasolve() only ever returns multiple results in the case of where the expressions are all polynomials, and there is the same nu...

4 days ago | 0

Answered
Why won't the tf command work for my function?
tf() can never accept symbolic values. Also the arrays you constructed included s to powers, but tf expects just vectors of num...

4 days ago | 1

Answered
How to use error handler for arrayfun?
logicalOutput = arrayfun(@(id) passingCentralZone(id), input_data.id(1:10), 'ErrorHandler', @(s,varargin) false());

4 days ago | 0

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Answered
Error: Too many functions when plotting series
x=[0:pi/100:2*pi]; That creates a numeric x in steps of syms f(x); That is equivalent to syms x f = symfun('f(x)', x) wh...

4 days ago | 1

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Answered
How to write this expression in matlab?
syms k n r expr = nchoosek(n, k) * (n-k)/sqrt(n) * (-1)^(n-k) * sinh(r)^(2*n-1-2*k) * cosh(r)^(2*k-n-1) g(n) = symsum(expr, k,...

4 days ago | 0

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Answered
How to find which equation that have "Warning: Solution does not exist because the system is inconsistent"
If you get inf on output, there are few possibilities: that there are infinite entries in the matrix (but these would typically...

4 days ago | 0

Answered
I'm a newbie coding titanic but got stuck with an error
Titanic_test = readtable('test.csv'); That returns a table object. age_test = cell2mat(Titanic_test(:,5)); Using () indexing ...

4 days ago | 0

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Answered
Record and save audio with your specific file name for the audio.
To allow the user to create the file name use uiputfile [filename, pathname] = uiputfile('*.wav', 'File name for output'); if ...

4 days ago | 0

Answered
Unable to run code analysis
Your file is named 3d_model.mlx . However, the file names for MATLAB source code ( .m ) and Live Script ( .mlx ) and Simulink mo...

4 days ago | 0

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Answered
Read vtk files (created from paraview) into Matlab
See https://www.mathworks.com/matlabcentral/fileexchange/106610-vtk-read-and-write-package or https://www.mathworks.com/matlabce...

4 days ago | 0

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Answered
Why is the fit() function producing a horizontal line above my data?
Activate the "center and scale" option -- but remember that the coefficients you are shown as a result refer to the centered/sca...

4 days ago | 0

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Answered
Multiple Outputs for RK methods
Indistinguishable results on the scale of h that I experimented with h = 0.002:0.001:0.007; num_h = length(h); tfinal = 55;...

4 days ago | 0

Answered
ode45 problem: Index in position 1 is invalid
b = deval(ode45(@(t,y) b(t,y,alfa,sigma),[T 0], 0), flip(maturities)); Before that line, b refers to the function b(t,y,alfa,si...

4 days ago | 0

Answered
Fzero Initial value issues
fun = @(x) polyval(polyfit(t2,h2,1),x)-.5 Why are you redoing the polyfit each time? You are not changing t2 or h2 or 1 inside ...

4 days ago | 0

Answered
How to run matlab on GPU
MATLAB itself cannot run on the GPU. If you have an appropriate GPU, and you have the Parallel Computing Toolbox, then MATLAB ...

4 days ago | 1

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Answered
using less than operator and combination of if and for statement
You cannot use a condition in for : if you need to use a condition you should be using while Note that when you use while, at l...

4 days ago | 0

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Answered
I have a battle ship code but I cant get the ships to be placed
During initialization, keep a logical array occupied that starts out all false. For each piece to be placed, randomly generate...

4 days ago | 0

Answered
Using 'for loop' to plot
Of course you can do it with a loop. I am not clear as to why you are constructing an x range that is not just the inside of th...

4 days ago | 0

Answered
'trainingOptions' without 'trainNetwork' in deep learning
No. trainNetwork knows to use the options because you pass the options in. sgdmupdate does not permit you to pass in options so ...

5 days ago | 0

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Answered
Count number of unique symbols in an expression
With limits, present = cellfun(@(expr), ismember(dimen, symvar(expr)), param, 'UniformOutput', false) counts = sum(vertc...

5 days ago | 0

Answered
How can I change all numbers in matrix to 1? except for 0
logical(inputMatrix) However this will fail if the input includes nan

5 days ago | 0

Answered
how to access local files in MATLAB mobile?
Inside MATLAB Mobile, the upper left corner has three main horizontal lines on top of each other. Click on that. In the menu tha...

5 days ago | 0

Answered
Convert function handle to a function in ODE45
Do not do that. Instead use A = [1 2 3; 1 3 4; 7 6 5]; Jnew = matlabFunction(A*y(:) + J*y(:), 'vars', {y(:)}); ...

5 days ago | 0

Answered
Could anyone tell me why I am getting an error with "else" in my code. This is my first time using this software and I am very confused.
That code is not MATLAB code. MATLAB codes not use "endif" or "endwhile" or "end else". Also, MATLAB uses == for the comparison ...

5 days ago | 0

Answered
Hi, how should I display the name for image. Only Name without the pathways.
[~, imgName, extension] = fileparts(InfoImage.Filename); Then use either imgName alone or [imgName, extension] if you want to p...

5 days ago | 0

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Answered
residue number system in MATLAB
MATLAB can be used to program any deterministic calculation that can fit into your computer memory. MATLAB is Turing-complete: y...

5 days ago | 0

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Answered
why fft of an even and real signal in time domain gives imaginary part?
t = linspace(tmin,tmax,N+1); t(end) = [] ; Your signal must not return to origin in the final sample. You need a signal ...

5 days ago | 0

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Answered
Why am I only receiving one value for theta3 and alpha3, do I need to use a "for" loop instead?
/ is not the division operator in MATLAB. A/B is like inner product of A and the pseudoinverse of B. It is for solving systems o...

5 days ago | 1

Answered
While I am running this code I get this error, could anyone knows how to solve it ? (Unable to perform assignment because the size of the left side is 1-by-41 and the size of)
b_vec=zeros(i_max,1); That is a column vector b_vec(1,1)=40; b_vec(ny,1)=10; for i = 2:i_max-1 fo...

5 days ago | 0

Answered
the error of 'Matlab can only run a file with a valid name'
You have used the green Run button to try to execute code that is stored in a file that is not named like a valid MATLAB identif...

6 days ago | 2

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