Square a number
I would recommend more test cases, including some of matrices.
This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Return unique values without sorting
Make a random, non-repeating vector.
Return the first and last character of a string
Find Out sum of principal diagonal element of given matrix
Matlab Basics - Pick out parts of a vector
Bring up website
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