Set x value to each odd index of vector y.
Reverse the elements of an array
Sum of the Matrix Elements
Generate vector according to sign of vector
Remove All elements less than 5
Write a code that will follow the equation y = x * (x + x) * x.
Find cosine between two given vectors u and v.
For given xx,x, y vectors build spline of x and y and find yy values for xx vector.
Find sum of negative elements in row.
Find product of eigenvalues of n*n magic matrix.
Find Euclidean norm of given vector u.
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