Find cosine between two given vectors u and v.
u = [5 2 0 5 3 0];
v = [3 2 5 1 0 2];
result = 0.4611;
Duplicate each element of a vector.
Replicate elements in vectors
Write a code that will follow the equation y = x * (x + x) * x.
multiply an array by its position number
Compare two strings.
Select primes from the matrix.
Count given word x in text.
Calculate roots of polynomial given as vector array.
For given vectors x,y find coresponding spline coefficients.
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