Omit columns averages from a matrix
Is A the inverse of B?
Calculate the area of a triangle between three points
Finding an element in a vector
Calculate the sum of elements of n*n Hilbert matrix.
Calculate roots of polynomial given as vector array.
Convert array of decimal numbers into hexadecimal numbers array.
For given xx,x, y vectors build spline of x and y and find yy values for xx vector.
Find scalar product of two polynomials a and b, given as vector array.
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