You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros.
If input is m=2 and n=3 then
A = [ 0 0 0
0 0 0 ]
Return the first and last character of a string
We love vectorized solutions. Problem 1 : remove the row average.
Generate pi using logarithm
Sum of the Matrix Elements
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