Convert the input to a cell array, but only if necessary.
If the input is a string, return a 1-by-1 cell array containing the string. If the input is a cell array of strings, return the input unaltered.
Swap the input arguments
Back to basics 21 - Matrix replicating
Reverse the elements of an array
Create an 'arrow-head" matrix
Create a figure and plot data
Find mistyped words in text (mixed-up letters)
Cumulative maximum of an array
Convert matrix to 3D array of triangular matrices
List of built-in demo images
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