Get derivarive of polynomial given as vector array.
p=[ 1 2 0 5 0 3 ];
result=[ 5 8 0 10 0 ];
Find the sum of the elements in the "second" diagonal
Replicate elements in vectors
Given a 4x4 matrix, swap the two middle columns
Transpose of matrix
Calculate some equation
Find product of eigenvalues of n*n magic matrix.
Solve expression II
Form a square matrix from four square sub-matrices
Replace x value into y value in string text.
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