Remove all trailing white spaces at the end of the input strings
Find the sum of all the numbers of the input vector
Add two numbers
02 - Vector Variables 3
Sum of series I
Basics: counting digits of a number irrespective of the sign
Percentage of zeros in a matrix of only 1s and 0s
Product of all elements in an array
basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix
find number of times of occurrence of the most frequent number in a row vector
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