Right and wrong
Find Out sum of principal diagonal element of given matrix
Multiply two polynomials p and q given in in vector representation.
Get derivarive of polynomial given as vector array.
For given vectors x,y find coresponding spline coefficients.
Convert array of decimal numbers into hexadecimal numbers array.
Opposite task convert binary numbers array into array of decimal numbers.
Set x value to each odd index of vector y.
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