Answered
How do i end my code
You have showed some code, which runs once only. The output shows, that this function is called again afterwards, but we do not ...

5 years ago | 0

Answered
How to use the MATLAB radio button to switch between 2 matrices
Check the value of the radio buttons in the callback, which starts the computations. Then use the wanted matrix accordingly. A ...

5 years ago | 0

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Answered
How to simply the code
With some guessing: Value = cat(1, C{:, 2}); Index = find(Value >= 2, 1, 'first') - 1; if ~isempty(Index) % [EDITED] T...

5 years ago | 0

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Answered
non linear coupled diff equation
What about simplifying the equations? 1. dx/dt = -(r+r1)/L1*x - dy/dt * (L12/L1) 2. dy/dt = -y*r2 - dx/dt * (L12/L2) 1. int...

5 years ago | 0

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Answered
Indexing every value from matrix not only unique values
Of course you can use find(): A = [2, 2, 4, 1, 3; ... 3, 1, 10, 100, 200]; % 200 added to match number of elements per ...

5 years ago | 1

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Answered
Converting text file to struct
Your text file is almost valid Matlab code: only the trailing semicolons are removed. Now you try to write some code, which inte...

5 years ago | 1

Answered
how to Concatenate big string matrices of different sizes
With some bold guessing: % [UNTESTED] Please povide a small test data set keyIndex = 1; % Guessing, that the "case number" ...

5 years ago | 0

Answered
Unable to perform assignment because the size of the left side is 1-by-201 and the size of the right side is 200-by-1
Replace: ts = -prePeak:1/fs:posPeak; by ts = linspace(prePeak, postPeak, 201); But as far as I can see, you use ts only to m...

5 years ago | 0

Answered
There was an unexpected exception
The error message suggests to read the log file. So please read the log file and post a copy of the important information you fi...

5 years ago | 0

Answered
Error using eig Input matrix contains NaN or Inf.
The error message is clear: The input of eig() cannot contain NaN or Inf. Without seeing your code, the readers cannot guess, w...

5 years ago | 0

Answered
Matrix sequence go diagonal
n = 6; % Or if you want: input ('sequence_matrix_'); v = zeros(1, n+1); % Pre-allocation v(2) = 1; % I...

5 years ago | 0

Answered
Sensitivity Analysis for a ODE
Sensitivity means, that you vary the initial values or parameters by a small value and compare the results of the integration. D...

5 years ago | 1

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Answered
dde23 solver gets stuck in an infinite loop (I think?)
dde23 cannot stuck in an infinite loop. But it is easy to provide a system, which has a pole, such that the step size gets tiny ...

5 years ago | 0

Answered
I have 132 potential positions in a wind farm layout and I have to place 66 turbines on these positions. I want to know how to make combinations to place these 66 turbines.
The notes of dpb and David mean, that the number of possible solutions is too large to be useful, if you want to test all of the...

5 years ago | 0

Answered
MATLAB crashes when I use any sound commands
The OpenGL flags are for managing the graphics, but your problem concerns the sound. Did you update the sound drivers already?

5 years ago | 0

Answered
make a subsubfolder in a newly made subfolder
[filepath, name, ext]= fileparts(dcmlist{jj}); % Extract file name mkdir(fullfile(nufolderpath, name, 'edn'));

5 years ago | 0

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Answered
copy file not working as it should
Use the debugger to find out, what's going on: for kk = 1 :numel(bmplist) if contains(bmplist{kk}, ptt) sourceFile =...

5 years ago | 0

Answered
Derivative of a function in a particular point
Use one of the quotients of differences to get a numerical approximation of the derivative: x = 1.2345; h = sqrt(eps); dy_r...

5 years ago | 0

Answered
How to convert a cell array to a compatible matrix?
CC = {rand(9,9), rand(5,4), rand(5,4), rand(6,4), rand(6,4), rand(8,4), rand(8,4), rand(9,4), rand(9, 4); ... rand(4,5), ra...

5 years ago | 1

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Answered
Dimensions of arrays being concatenated are not consistent.
Use the debugger to check your code: dbstop if error Start your program after typing this in the command window. When Matlab s...

5 years ago | 0

Answered
insert zero into matrix
You cannot "insert" a 0 in row 170, if the vector has 96 rows only. You can append zeros only: x = rand(96, 1); x(89:170) = 0;...

5 years ago | 0

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Answered
Break A While loop using a status Button
Insert a drawnow command inside the loop to let Matlab update the GUI. A small simplification: app.CANMSGStatusLamp.Color = 'B...

5 years ago | 1

Question

Are the CC BY-SA 3.0 and BSD-3-clause license compatible?
Code published in the Answers forum is covered by the "Creative Commons Attribution Share Alike 3.0 license", also called "CC BY...

5 years ago | 0 answers | 1

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answers

Answered
speed up ismember with two-dim data
function Test_Felix X = TestData; Y = TestData; % Original method: tic; mat_overlap = NaN(length(X), length(Y)); for ii ...

5 years ago | 0

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Answered
matlab -batch always failed with: | Error: Invalid use of operator.
The string after the -batch argument must contain a Matlab command. "./hello.m" is not a Matlab command, because "./" is the el...

5 years ago | 0

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Answered
How to use multiple break statments
for i = 1:100 Ext.W22 = beta * Ext.W22; Ext.W22List(i) = Ext.W22; %% Convergance Check sub 2 sl...

5 years ago | 1

Answered
Find minimum and maximum from same matrix
I guess, that zeros values should be ignored. Then: tmpPower = Power; tmpPower(tmpPower <= 0) = Inf; [minPositive, index1] = ...

5 years ago | 0

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Answered
Suggestions for vectorizing double/triple for loops in Matlab
The power operation is very expensive, so avoid it whenever it is possible: M = 50; N = 50; c = rand(N,M) + i*rand(N,M); eps...

5 years ago | 1

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Answered
strsplit causing issues with several functions
It looks like you have shadowed the builtin function strsplit by a user-defined function, which accepts less inputs. If you pos...

5 years ago | 0

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Answered
imwrite does not work when file extension is given
Do not use "path" as name of a variable, because this shadows an important Matlab command. This does run usually, but during deb...

5 years ago | 0

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