eVec = Hello
( eVec is a string, which is a vector of characters )
Remove all the words that end with "ain"
Convert a vector into a number
Find out sum of all elements of given Matrix
Square a Number
04 - Scalar Equations 1
07 - Common functions and indexing 5
07 - Common functions and indexing 3
06 - Matrix Equations 2
05 - Vector Equations 2
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