Find the sum of the elements in the "second" diagonal
Return area of square
The sum of the numbers in the vector
Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]
Finding perimeter of a rectangle
surface areas of a cylinder
Perimeter of a semicircle
Basics: counting digits of a number irrespective of the sign
Return median of a matrix
generate capital english alphabets
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