How to unfold/concatenate a 3D Matrix?
Making some guesses about the order you want, where A is your array: B = reshape(permute(A,[1,3,2]),[],21)

16 days ago | 0

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Submitted

Customizable Natural-Order Sort
Alphanumeric sort of a cell/string/categorical array, with customizable number format.

Submitted

Natural-Order Filename Sort
Alphanumeric sort of filenames or filepaths, with customizable number format.

Submitted

Natural-Order Row Sort
Alphanumeric row sort of a cell/string/categorical/table array, with customizable number format.

Problem in properly creating a structure to store data
The simple and efficient approach: P = 'absolute or relative path to where the files are saved'; S = dir(fullfile(P,'*.txt'));...

16 days ago | 0

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Count number of unique .mat files in a folder
The simple MATLAB approach is to use one of the histogram functions rather than a loop, e.g.: % S = dir(fullfile(rootPath,'**',...

16 days ago | 0

how to know if cell has some empty values
Where C is your cell array: any(cellfun(@isempty,C(:,3)))

16 days ago | 1

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Find index of value extracted from subset in larger set
The simple MATLAB approach is to use indexing: X = 325:400; [p,Y] = min(pvalue(X)); t = tvalue(X(Y));

17 days ago | 0

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How to use regexp in a cell array whose cells may contain cell entries
Your data: S = load('model.subSystems.mat'); model = S.model; Getting indices of nested cells which contain the requested tex...

18 days ago | 0

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How can I create structure entries in a for loop.?
Using a cell array and a structure array: C = {data1,data2,data3}; for k = 1:numel(C) S(k).max = max(C{k}); S(k).min...

18 days ago | 0

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elseif when the flag is not true
" I wanted the else condition to happen only when count1==5*N and the flag condition was not respected." Make the code explicit...

19 days ago | 1

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colon operator returns different answer in command window and script
"colon operator returns different answer in command window and script" Yes, because you called COLON with different values. "W...

19 days ago | 1

Removing certain type of repeating cell
A direct, intuitive, and reasonably efficient approach is to simply check the existing cell array content: out = Conc(5) fun...

20 days ago | 0

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Read .txt file into a matrix and remove unwanted text
Simpler: str = fileread('N2_trace.txt'); tkn = regexp(str,'^(\d+)\.?\d*:[^:]+:\s+([^\n]+)','tokens','lineanchors'); tkn = ver...

21 days ago | 1

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How can I check if it is a string?
The simplest approach is to use ISNAN, because STR2DOUBLE will return NaN for any input that it cannot convert to numeric: if i...

23 days ago | 1

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Selecting a specific part in a string array
tmp = split(strg_cell(i,1)); x3(i,:) = tmp([1,end]); The MATLAB approach would be to use a simple FOR loop, rather than painfu...

26 days ago | 0

Using Textscan to read Sinex file rows with variable delimiters
This is a fixed-width file, especially e.g. the presence of space characters in the location names indicates this. The header un...

26 days ago | 0

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How to change a Data Series contained with Repeated NaNs to become other sequence of NaNs?
A = [NaN, NaN, NaN, 0, 0, NaN, NaN, 0, 0, 0, 0, 0, NaN, NaN, NaN, NaN, NaN] X = diff([isnan(A),false])<0; A(X) = 0

26 days ago | 1

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when using listdlg is it possible to use tex characters in the ListString?
With recent MATLAB versions and OSs you can just use σ: listdlg('ListString' , {'Von Mises Stress', 'σ_x' , 'σ_y'}) E.g. R2018...

26 days ago | 0

Removing element of array at random
a = 0; b = 1; rn = b*randn(200,1)+1; ix = randperm(200,10) % indices of elements to remove rn(ix) = []; % remove elements

26 days ago | 0

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How to place a value in a function
F_x is an array, not a function (in the MATLAB sense: https://www.mathworks.com/help/matlab/function-basics.html) To access ele...

26 days ago | 0

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How to get particular data from column of table in MATLAB
What you uploaded is not a CSV text file, it is an XLSX file with an incorrect file extension. I fixed the file extension for y...

26 days ago | 1

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if numel(label_text_output) label_text{end+1} = label_text_output end Or alternatively afterwards you could do this: lab...

28 days ago | 0

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"audioread" multiple audio files in a folder
You need to tell AUDIOREAD the filepath, otherwise it does not know where to find the files. P = 'C:\Users\KOH\Desktop\MATLABco...

28 days ago | 0

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If statement without loop
A = repmat(1:5,4,1) B = [3;2;1;5] C = A; C((1:5)>=B) = 0

29 days ago | 0

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date to string conversion
Ugh, do NOT use DATESTR. This is easier without using the old, imprecise, deprecated functions: aa = datetime('now','Format','d...

30 days ago | 1

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structure to a matrix
S = load('DD_hyde_iisc_0.3to6.3_15.mat') T = struct2table(S.DD_SlantSmoothTEC)

30 days ago | 0

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how to convert array of cells within array of cells in single cell array
A = {{[2,3,4]},{ [],[3,4],[3,8,13]},{[4,0]},{[9,4],[9,8,13],[],[9,14,19]}} B = [A{:}] https://www.mathworks.com/help/matlab/ma...

1 month ago | 0