random picture with random colours
Vectorizing, too easy or too hard?
Is the Point in a Circle?
Set the array elements whose value is 13 to 0
Generate pi using logarithm
Bleed non-zeros to the right
Remove element(s) from cell array
Number of problems
Convert a substructure reference string into a valid definition structure for subsref and subsasgn
Bleed non-zeros to the right using REGEXP, and that sort of cheatcodess...
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