Duplicate a character 'n' times.
Example 1: str='a' n=5
Example 2: str='*' n=3
n is a nonnegative interger.may it be the largest problem that i meet.
My initial solution with repelem(str,n) for n=0 creates a size 1x0 char class but suite only allows for a 0x0 class. Not sure why the difference would matter.
Back to basics 17 - white space
Divisors of an integer
Insert zeros into vector
Moving average (variable kernel length)
Remove entire row and column in the matrix containing the input values
Sort complex numbers into complex conjugate pairs
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