Multiply two polynomials p and q given in vector representation.
p=[-2 0 1 -1 3 2]
q=[1 0 -1 2 4]
result=[-2 0 3 -5 -6 5 -1 0 16 8]
Energy of a photon
Determine the number of odd integers in a vector
Evaluating a polynomial
Create a square matrix of zeros of even order
Divisible by 5
Divide polynomial p1 by p2.
Count given word x in text.
Calculate roots of polynomial given as vector array.
Find Euclidean norm of given vector u.
Display positive elements of matrix.
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