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
matrix of natural number
The sum of the numbers in the vector
Side of an equilateral triangle
MATLAB Basic: rounding IV
Basic matlab numeric and string manipulations
ASCII sum of phrases
Remove white spaces at the end of the input string
generate capital english alphabets
Perimeter of a semicircle
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