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;
Omit columns averages from a matrix
Will there be a new leader?
Remove the Zero
Decide whether determinant is zero.
Summation of array
Get derivarive of polynomial given as vector array.
Count given word x in text.
Calculate the sum of elements of n*n Hilbert matrix.
Convert array of decimal numbers into hexadecimal numbers array.
Solve expression II
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