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installing MAT-file version 7.3
From the SAVE documentation: save("tmp\wavedata_0301","wavedata","-v7.3"); % ^^^^^^^ https:...

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Select first three elements of double inside cell array
C = {[56,54,36,35];[58,56,55,36];[89,60,56,45]} D = cellfun(@(v)v(1:3),C,'uni',0)

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How can I import multiple .out files in a single folder as separate tables or arrays?
unzip reports P = '.'; % absolute or relative path to where the files are saved S = dir(fullfile(P,'vxw*.out')); for k = 1:nu...

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Moving mean of a vector with unsorted values
You will need to interlace your data points before calling MOVMEAN. For example: xL = +15.0:-1:-15.0; xR = -14.5:+1:+14.5; yL...

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How to make str2double recognize comma delimited numbers?
Using SSCANF will likely be more efficient than relying on regular expressions: T = readtable('ExampleExcel.xlsx') F = @(t)ssc...

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Interpolation problems in multidimensional space
You do not have gridded data, so all of the attempts with GRIDDEDINTERPOLANT will not work. Using NDGRID does create gridded dat...

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Formatting Vectors using fprintf
R = [6640.441; 0; 0]; C = compose('%7s[%10.3f km]',["";"R = ";""],R); fprintf('%s\n','A) Position with respect to the earth in...

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imagesc output: how to re-update the matrix image only, but keep other things intact, including colorbar, axis tick, axis label, annotation, text...?
"how to re-update the matrix image only, but keep other things intact, including colorbar, axis tick, axis label, annotation, te...

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How to get a string from a cell array given a row?
You are overthinking this: idx = listdlg('ListString', errorlist); code = errorlist(idx); or for k = 1:numel(idx) code...

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Unzip to a cell array, get the csv filles
"I got Error using readtable Unable to find or open '2025-01-28/'. Check the path and filename or file permissions." You get an...

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How can I create multiple function handles in a for loop?
"I would like to know the area under the spline... But I guess this is not the most appropiate approach. Any suggestions?" Use ...

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How can I use Interp1 here instead of ismembertol?
Fiddling around with indices and ISMEMBERTOL are red-herrings and misdirections from your actual task. Essentially what you are ...

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Problem graphing the % error between a real function and its linearization using contourf in MATLAB
"I think the problem is the way I'm calculating the %Error between those two functions..." That is the problem, because you are...

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How to use "image" function to view JP2 images with alpha channel?
The accepted answer is incorrect. "When I do "a = imread(filename)" and "image(a)", it gives the following errors..." "The var...

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How to iterate through a cell array to mean each ith column from each matrix within the cell array?
Fake data (I removed the superfluous outer loop): for k = 1:5 C{1,k} = rand(500,26); C{2,k} = rand(500,24); C{3,...

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Not recognising named input argument
The name "is_fbk" is not defined as a named argument. Because by definition named arguments must come last AND all inputs betwe...

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Reconstruct a compressed vector based on another one with equal space entities
VC = [1,20,-4,23,6,3,7,-23] PC = [2000,2250,2500,2750,3750,4000,4500,4750] PV = PC(1):250:PC(end) VV = nan(1,numel(PV)); VV(...

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determine if a datetime value is on a different day
"Functions like between and caldiff seem to return a duration" BETWEEN and CALDIFF will not help you. Either use DATESHIFT or t...

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Three dots at the end of a line of code
Perhaps code folding. Code folding is stored as meta-information in PREFDIR, much like breakpoints etc. are. Unfortunately some...

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reading text fils with data importing
It would be much better if you uploaded a sample data file by clicking the paperclip button. In lieu of that I created my own d...

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Move to MxN cell array to 1xN cell array
C = load('CellMatrixExample.mat').EmissivityMat F = @(c)vertcat(c{:}); C = cellfun(F,num2cell(C,1),'uni',0)

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reshape 4-dimension array
https://www.mathworks.com/help/matlab/ref/double.permute.html https://www.mathworks.com/help/matlab/ref/double.reshape.html A ...

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Can someone explain why the top code works but the bottom one has an error that says "Index exceeds the number of array elements. Index must not exceed 1."
"Can someone explain why the top code works but the bottom one has an error that says "Index exceeds the number of array element...

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MATLAB Indexing type dependence (bug?)
"what does it matter to the indexing whether it is a single or a double?" Because single precision cannot represent all of thos...

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Avoid negative sign with compose() when output is zero, e.g. '-0' or '-0.0'
num = -0.04; txt = compose('%.1f', num) txt = regexprep(txt,'^-(0+(\.0+)?)$','$1')

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Why do my plots overlap instead of showing up side-by-side?
Explanation: TILEDLAYOUT was written assuming one axes in each tile position. When you create a 2nd (or more) axes in a specific...

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Separate data series based on parameter within the data.
A = [1,12,13,14; 1,21,23,24; 2,32,33,34; 100,42,43,44] [G,ID] = findgroups(A(:,1)); Method one: F = @(x)A(x==A(:,1),:); C = ...

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The surface area won't round to one decimal place and I don't know how to get rid of the 'e's.
https://www.mathworks.com/help/matlab/ref/format.html Do not mix up the data stored in memory with how those data are displayed...

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LaTeX interpreter with multiple strings or character vectors
Without even reading the XTICKLABELS documentation lets first do some basic reasoning: is a single character vector. XTICKLABEL...

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Fast reorganization of cell arrays
The timings might be similar for small arrays, but try testing on larger arrays! tic % Initialize target and source arrays tg...

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