Find relatively common elements in matrix rows
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Compute a dot product of two vectors x and y
Given a 4x4 matrix, swap the two middle columns
Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]
Given a number N, find the smallest prime P>N
Generate one sample of uniform random numbers between -pi and +pi
Check if sorted
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