How to know dimensions to give in trapz function
let's say you have a column vector x and you calculate y according to y = ax^2 now if a is a vector, you will get a matrix y: ...

5 Monate ago | 0

Adding dropdown option from GUI in App Designer
I would put the options in a text file. Then load it during startup

5 Monate ago | 0

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How to plot plot from differnet location in a single figure?
If i understand your question corectly, and you have several .mat files each one with a varriable T and a varriable output, you...

5 Monate ago | 0

Rearrange any matrix Randomly with a specific sequence
A=1:20; blockSize = 5; nOutputBlocks = 2; a=reshape(A,blockSize,[]); i=sort(reshape(randperm(size(a,2)),[],nOutput...

6 Monate ago | 0

How to transfer data between apps using app designer
The simplest solution would be to couple the two apps. When you open app B send the object of app A to it. Then when app B upd...

6 Monate ago | 0

Moving NaN elements from the last columns to the first column, iteratively
The simplest way would be to loop through the rows: i = isnan(A); for j = 1:size(A,1) A(j,:) = [A(j,i(j,:)) A(j,~i...

6 Monate ago | 1

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Replace the elements of a matrix
B = reshape(A',numel(A),1)

6 Monate ago | 0

Save char array from for loop into a matrix
Unless you can guarantee that all file names have the exact same length, you need to use something other than a char matrix. E...

6 Monate ago | 0

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The implementation of properties. They are class fields, and they are the accessor methods to these fields, (get/set). This dual...

6 Monate ago | 0

Could anyone help me how to randomly display the values in the selected places
if you meant to fetch values from a random index using above mentioned linear indices: a = magic(5); a = a(1:3,:); validInd...

6 Monate ago | 0

How to convert a cell array containing various inline functions to a unique inline function?
You can generate a function handle which will execute all the handles in a cell array using closures: a = magic(3); myFunction...

6 Monate ago | 0

Could anyone help me to solve the following issue
a = [1 2 3 4 5; 6 7 8 9 10] a_rand = a(randperm(length(a))) a_rand = [a_rand; a(~ismember(a(:),a_rand(:)))']

6 Monate ago | 0

can matlab find ilaplace
Try that: syms s; F = exp(-y*sqrt(s+a))/s; F1 = ilaplace(F); pretty(F1); I don't know what a and y are in your ...

7 Monate ago | 0

Select all Rows that Contain A Certain Number and Any NaN's That follow Them
I think in this case a simple loop will be better than a fancy vectorised solution. valid = false(size(A, 1),1); vali...

7 Monate ago | 0

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How to clear persistent variables?
You can clear the name of the .m file in which that function is declared it works for .m file functions, local functions, neste...

7 Monate ago | 0

Extract Previous Cell Value
The problem is you're indexing at index 0 which is invalid. % some specific handling of % the first cell should be % ...

8 Monate ago | 0

regexrep for the neophyte
match = regexp(recipients,'(?<name>[a-zA-Z]+(?:\s*[a-zA-Z]+)*)\s?\\$?(?<sum>\d+(?:[\.,]\d+)*)[^\w,;]*(?<time>[a-zA-Z]+\d+)?','n...

8 Monate ago | 1

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Question

multiple populations in a single pole
I have histograms that most likely represent multiple populations. If they distribute normally I know I can use curve fitting...

8 Monate ago | 0 answers | 0

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what's the matter when i run a M.file?
textscan accepts a file id not a file path. Use <https://www.mathworks.com/help/matlab/ref/fopen.html fopen> first

8 Monate ago | 0

This is a simple linear equation: price = 10 + 4*floor(depth);

8 Monate ago | 0

Error in App Designer with Slider: 'Index Exceeds Array Bounds'
without the full code it's hard to say, and in general uploading screenshots of your code is not very helpful. Still, the probl...

8 Monate ago | 0

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Why I am getting error message when I try to define line specs of a plot?
You are using an overload of plot that accepts a cfit object https://www.mathworks.com/help/curvefit/cfit.plot.html this overl...

8 Monate ago | 0

Matlab says to many Inputs calling a fucntion in app designer, even if the input is just one value.
The first argument in a method (that's what functions are called in object oriented programming) of an object is the object inst...

8 Monate ago | 1

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Sliding window for polynomial fitting of a function
What you describe is a stavisky golay filter if I understand correctly windowSize = 10; polyOrder = 20; poly_fit = s...

8 Monate ago | 0

Newbie: Order of line and plot in a simple figure
This is actually not a newbie issue... As far as I know, it's a known issue with yyaxis. A workaround by @Charles Brown using ...

8 Monate ago | 1

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MATLAB Answers Wish-list #4 (and bug reports)
If i ask a question and happen to be the only one who answered it, please don't nudge me to accept the answer

8 Monate ago | 0

Quick question about GUI and calling functions.
I'm guessing you mean this file exchange <https://www.mathworks.com/matlabcentral/fileexchange/44820-matlab-code-for-ask-modul...

8 Monate ago | 0

[Warning] Why is it bad practice to set additional class properties when using a set method (prompting a warning)?
The thing is that dependent properties always invoked their get/set methods every time you access them. what you did doesn't ne...

8 Monate ago | 0

How to generate normalised random numbers in between -0.3 to 0.3?
noise = rand(1,10)*0.6 - 0.3 noise = 0.0973 0.0479 0.2486 0.1055 -0.1262 -0.0478 0.0915 -0.1104 0...

8 Monate ago | 0

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