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.
Select every other element of a vector
Tell me the slope
Back to basics 20 - singleton dimensions
Solve the set of simultaneous linear equations
02 - Vector Variables 1
Moving average (variable kernel length)
Change the sign of even index entries of the reversed vector
Remove entire row and column in the matrix containing the input values
Symmetry of vector
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