For given input matrix a, rotate it by 90 degrees and find the sum of the diagonals.
1 2 3 4
5 6 7 8
8 10 12 -2
-1 -3 -5 -7
First N Perfect Squares
Matrix to column conversion
Matlab Basics - Rounding III
convert the number to binary format & count digits
surface areas of a cylinder
Nth root of a number
Raise each element to the power of its index in a matrix
Day counter function
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