Answered
Running uisetcolor Crushes my Compiled application
Try to use another color chooser, e.g.: https://www.mathworks.com/matlabcentral/fileexchange/91615-matlab-uicolorpicker

5 years ago | 0

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Comma separated function output requests
Why do you expect A to be the empty cell? The right hanbd side is the scalar 30: S = struct('type', '()', 'subs', {{3}}); x = ...

5 years ago | 1

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my matlab is not opening
THis might mean that the preferences are damaged. They are store in a folder in your user folder. If you tell us, which OS you a...

5 years ago | 0

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how to get which button was pressed?
You can provide the index as additional argument of the callback: 'Callback', {@buttonPushed, iR, iC}, ... function butt...

5 years ago | 0

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How to protect arbitrary variable names
I you work on a larger project (any code with > 20 lines), avoid scripts. They are a shot in your knee. With using functions, th...

5 years ago | 1

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how to filter out decimals
function s = Fnkt(n) if n <= 0 || n ~= floor(n) s = 0; return; end syms k x s = symsum(k,k,0,n); end Do you re...

5 years ago | 0

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Answered
Matlab code for accessing different folder data
Folder = 'C:\Base\Folder\'; FileList = dir(fullfile(Folder, '**', 'YourFile.xlsx')); Data = cell(1, numel(FileList)); f...

5 years ago | 0

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how can I get a y value for a chosen x value.
yDesired=y(index, :); % ^ But this gives you the trajectory and all but the last derivative. To get "all equat...

5 years ago | 0

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Answered
how to find the order of convergence
The convergence of the Newton methods depends on the initial value. There is no general order of convergence. For some start val...

5 years ago | 0

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Multithreading library in matlab
No. You can use the command parfor and spmd, but this does not match the C++ threads exactly.

5 years ago | 0

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How can I improve the parfor performance in my code?
Move all repeated calculations out of the loop: C1 = wnkcosDir.*spec_dfdt.*romega; C2 = wnksinDir.*spec_dfdt.*romega; C3 = wn...

5 years ago | 1

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Answered
Error: Too many output arguments
The function myRand replies to variables, which are assigned to the variables x and s. In the line [a,s]=x you try to assign th...

5 years ago | 1

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Answered
Select specific files from subfolders
Folder = 'C:\Your\Folder'; SubFolderList = {'C3', 'C6', 'C8', 'C9'}; for iSub = 1:numel(SubFolderList) File = fullfile(Fol...

5 years ago | 0

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Answered
How to create a programme that will increase its increment of the size of array with a push button ? Using GUIDE
With some guessing: function pushbutton1_Callback(hObject, eventdata, handles) Value = get(handles.listbox1, 'Value'); Data ...

5 years ago | 0

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Answered
1×0 empty double row vector with command find
Why do you call this an "error"? The vectors h_1 and h_2 do not have an equal element at the same location. h_1==h_2 is an eleme...

5 years ago | 0

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How to delete multiple elements from array in step by step process and how to store remaining elements in array
A = [1 0.2 7 0.5 3 8]; nA = numel(A); array = cell(nA, 1); for k = 1:nA array{k} = maxk(A, nA - k + 1); end

5 years ago | 0

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I need Correct Subplot for This Code
counter = 0; for i=Arrayinput for j=Arrayinput ... counter = counter + 1; subplot(alength, alen...

5 years ago | 1

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Answered
sketch the graph of the function: f(x,y)= 1+2x^2+2y^2
fsurf(@(x,y) 1 + 2 * x.^2 + 2 * y.^2)

5 years ago | 1

Answered
for loop multiple variables
Maybe: f = zeros(numel(u), numel(v)); for i = 1:length(u) for j = 1:length(v) f(i, j) = sum(q.*((u(i) - x).^2) + ((v(j...

5 years ago | 0

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Allocate and acces filtered signal in struct
I guess, that you get an error. I cannot check this by my own, because I do not have your input data. ecg_raw = data(:,3); now...

5 years ago | 0

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Answered
How to realize linear function (filter?) with saturation?
u = [ones(15,1);-ones(5,1)]; Ramp = 0.1:0.1:1; % Set of values v = SaturatedRamp(u, Ramp); function v = SaturatedRamp(u...

5 years ago | 0

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Answered
four summation containing loop
Use the debugger to stop the code, when a NaN occurs: dbstop naninf Then run your code again. It stops in the first iteration,...

5 years ago | 0

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Answered
Vectorizing loop over multidimensional data
Some further improvements: WSUM = zeros(1,numW); L1 = U*V.'; % M x M L2 = (K*K.').^(-1/2); % M x M L5 = exp(1i * K.' * Wp);...

5 years ago | 0

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Answered
ODE 45 Error in line 256 and line 343
For me your code works fine, but it is very slow. I've inserted some simplifications: 0.123*10^(-8) is an expensive power opera...

5 years ago | 0

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Answered
Algorithm for the matrices
Either collect all Y in a 3D array: N = 10; A1 = [4/7, 7/4, 0; 7/4, 4/7, 0; 0, 0, 0]; A2 = [3/4, 1, 0; 1, 3/4, 0; 0, 0, ...

5 years ago | 0

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Answered
Why saving a figure in pdf makes a dot much bigger than it is?
plot(4.5,-0.27619,'k.', 'LineWidth', 20, 'MarkerSize', 20) % Omit the line width: plot(4.5,-0.27619,'k.', 'MarkerSize', 20) ...

5 years ago | 0

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Answered
How to exit from loop function ?
Simply try it: a = 0; for j = 1:10 fprintf('j=%d a=%d\n', j, a); if j < 3 a = 5; elseif j < 6 a = 2; el...

5 years ago | 1

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Answered
I can't get this bungee jumping model to run properly using RK-4 method. Can anyone list help me? It has a lot of errors in the program.
Code blocks like this are not useful, but confusing only: for i=1:n+1 if (w(1,i)-length)<=4.88 k(i)=150; else ...

5 years ago | 1

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Dot indexing is not supported for variables of this type
vel = importdata(...) does not create the output vel as a struct in your case. I assume ".sto" files are text files. Then t...

5 years ago | 0

Answered
error using dlmread (line 62)
The command: dlmread('bottleneck_caserne/b200_combined.txt'); searchs the folder "bottleneck_caserne" in the current folder. C...

5 years ago | 0