Get derivarive of polynomial given as vector array.
p=[ 1 2 0 5 0 3 ];
result=[ 5 8 0 10 0 ];
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Replace multiples of 5 with NaN
Solving Quadratic Equations (Version 1)
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Solve expression II
Sum positive elements of matrix.
Calculate the values of a polynomial.
Count given word x in text.
Find Euclidean norm of given vector u.
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