Select primes from the matrix.
Back to basics 6 - Column Vector
select the primes of a vector
Sum of series I
Multiply two polynomials p and q given in in vector representation.
Find cosine between two given vectors u and v.
Calculate the sum of elements of n*n Hilbert matrix.
Find the sines of an isosceles triangle when given its area and height
Replace x value into y value in string text.
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