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How to treat select elements from within multiple cells as a single vector
C = cell(5, 4); C(:) = {2:5}; % Faster than with DEAL V = cellfun(@(x) x(1,1), C(2:end,1), 'UniformOutput', 1) V = ...

oltre 3 anni fa | 0

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Error while running matlab script from Linux terminal
Is this a script or function? Obviously it is not included in the PATH. So either change the current path or add the folder to t...

oltre 3 anni fa | 0

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Add code to have switch repeat if a case is not met
knownLevels = {'easy', 'medium', 'hard'}; Levels = [10, 50, 100]; fprintf('\nChoose one of the known levels: %s\n', strjo...

oltre 3 anni fa | 0

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When calling a user defined function, MATLAB throws an error for simple matrix multiplication
Use the debugger to examine the problem: dbstop if error Run your code again afterwards. If it stops at the error, check the d...

oltre 3 anni fa | 1

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Is it possible to programmatically check whether MATLAB has been started with the "-sd" option?
PID = feature('getpid'); [status, out] = system(sprintf('ps -p %d -o args', PID)) Parsing the char vector out is not trival: E...

oltre 3 anni fa | 0

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Generating a combination matrix within a certain condition
After some test I could simplify the original combvec and including the limit is easy also: % Without limit, but considering th...

oltre 3 anni fa | 1

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How can I apply filter with loop-based function instaed of using filter( ) : built in MATLAB function?
You can find a Matlab function for filtering here: https://www.mathworks.com/matlabcentral/answers/9900-use-filter-constants-to-...

oltre 3 anni fa | 0

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Generating a combination matrix within a certain condition
It is easy to modify the code of a copy of Matlab's combvec function, which uses the class of the input: Change the zeros(., .) ...

oltre 3 anni fa | 1

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How could I possibly iterate over three 3D arrays and use their variable names iteratively in the title and axes?
v_dx = struct('EField_h', EField_h(idx_phi,idx_theta,:), ... 'EField_v', EField_h(idx_phi,idx_theta,:), ... ...

oltre 3 anni fa | 0

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When I import google sheet into Matlab, I get the first line imported as the url for my google account sign in
If the file starts with <!doctype html><html lang="en-US" dir="ltr"><head> it is an HTML file, not a JSON file. Then jsondeco...

oltre 3 anni fa | 0

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How to display a single element from a matrix?
Indexing is a fundamental Matlab method. To learn the basics asking in the forum is less efficient than using the tutorials: Ge...

oltre 3 anni fa | 0

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How can I import multiple fig files into a single figure in a tiled layout?
Using a vector as 3rd input in subplot allows to span an axes over multiple blocks of the layout: FigH = figure; subplot(2, 3,...

oltre 3 anni fa | 0

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When triying to oppen a .m file instead of the editor oppening, a command prompt appears
Open the section "Editor/Debugger" in Matlab's preferences and select "MATLAB editor" as editor.

oltre 3 anni fa | 1

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Artefacts when filtering a contiguous signal
The final state of the filter parameters after the 1st block is not the value of the signal. Replace: zi = vec1(end-2:end); % ...

oltre 3 anni fa | 1

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How can I calculate trapz value based on an event counter and then plot it?
As far as I understand your code was almost working. I added an if condition to skip scalar data and shifted the index for the o...

oltre 3 anni fa | 1

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Polyfit polynomial badly conditioned on Linux whereas on Mac no warnings
The warning is serious. Although the results look find in your case, scaling the input is the way to go for a scientifically sta...

oltre 3 anni fa | 1

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Turn code into function
Instert one line on top: function ANameOfYourchoice and save the file as "ANameOfYourchoice.m".

oltre 3 anni fa | 0

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Running two very similar scripts, getting different resolution figures when exported.
It looks like one of the figures uses painters and the other one OpenGL as renderer. OpenGL is enabled automatically, if a more ...

oltre 3 anni fa | 1

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How to generate a specific number of values within a range ?
R = size(Q,1); First_second_ele = zeros(R,2); Y = zeros(R, 60); for k = 1:R tmp = nonzeros(qm(k,:)); %extraction f...

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What is wrong with for loop iteration that is put in a function?
function bool = composite(n) bool = false; % Create a default value if n > 2 for i = 2:n for j = 2:n ...

oltre 3 anni fa | 1

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How to define a function with multiple handle in a loop?
Is there a need to use an anonymous function? Why not writing a standard function? function y = pA(tau, s1, s2, s3) a=80/365...

oltre 3 anni fa | 0

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How can i achive this kind of plot?
Go to the FileExchange and search for "radar" or "spider" plots.

oltre 3 anni fa | 0

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Cell array and num2str comparison
The variable a is a cell array containing 2 scalar numbers, while b contains 2 CHAR vectors. a = {42, 12} c = {'42', '12'} Th...

oltre 3 anni fa | 1

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MATLAB PCode Warning on R2021a
This can happen only, if somebody has edited the file isprop.m . Modifying Matlab's built-in functions is not useful and this ca...

oltre 3 anni fa | 0

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Intersect() with with repetition
If you really need the redundant information in iAB_C, iAB_Cprime, idx1, idx2, this is faster than the original version tested w...

oltre 3 anni fa | 0

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How to quickly calculate the following function？
See also: https://fredrikj.net/blog/2022/02/computing-the-lerch-transcendent/ Calculating the sum seems to be more stable. F...

oltre 3 anni fa | 0

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Artifacts when converting .svg to pdf
The output is fine, if I open your SVG in Edge and print it to a PDF using doPDF (by the way: version 7, the modern versions are...

oltre 3 anni fa | 0

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I want compare the differences from each block of 10 values to the next block of 10 values until the given 100 sets of values are compared.
According to the text of the question (but not the posted code): A = rand(100, 1); B = reshape(A, 10, 10); C = diff(B...

oltre 3 anni fa | 0

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Mathlab program solving answr below
Maybe you want to replace for i = 1:n by for i = n:-1:1

oltre 3 anni fa | 0

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Nesting depth and the error "Expected one output from a curly brace or dot indexing expression, but there were x results."
R2022a creates a different error: a(1).x.y=1; a(2).x.y=2; [a.x.y] "instead of just listing all values from across all indexe...

oltre 3 anni fa | 1

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