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.
Getting logical indexes
Convert from Base 10 to base 5
Reverse the elements of an array
02 - Vector Variables 4
Convert RGB triplet to ColorSpec string
Find the maximal cliques in an undirected graph
Find mistyped words in text (mixed-up letters)
The Python Challenge, Level 1: Decode strings
Convert matrix to 3D array of triangular matrices
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