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
Whether the input is vector?
Magic is simple (for beginners)
Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]
Determine the square root
Convert Fahrenheit to Celsius
Check for keywords
function to compute root mean square of first nn positive odd integers
Find NaNs in the matrix
generate capital english alphabets
Percentage of zeros in a matrix of only 1s and 0s
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