When the input is true, return 'on', otherwise, return 'off'.
The problem statement is misleading. 'if x' and 'if isequal(x, true)' are different conditions.
Find the sum of the elements in the "second" diagonal
Duplicate each element of a vector.
Is it an Armstrong number?
Convert a substructure reference string into a valid definition structure for subsref and subsasgn
Wrap a vector, but insert NaN's at the wrap-positions.
Bleed non-zeros to the right using REGEXP, and that sort of cheatcodess...
Power supply: 230V to 115V
Create a random logical vector of N elements of which M are true.
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