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
Project Euler: Problem 6, Natural numbers, squares and sums.
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Matlab Basics - Assigning Variables
prime test 2
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Percentage of zeros in a matrix of only 1s and 0s
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convert the number to binary format & count digits
Remove white spaces at the end of the input string
Perimeter of a semicircle
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