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 15 - classes
Getting the row and column location from a matrix
Magic is simple (for beginners)
find radius of cone
Symmetry of vector
Change the sign of even index entries of the reversed vector
Sort complex numbers into complex conjugate pairs
Insert zeros into vector
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