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
Determine if a Given Number is a Triangle Number
Number of toolboxes?
Is the input divisible by 3?
Multiply by 3
ASCII sum of phrases
convert the number to binary format & count digits
Repetition of matrices
function to compute root mean square of first nn positive odd integers
Return median of a matrix
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