Find scalar product of two polynomials given as vector array.
a=[1 -1 2];
b=[2 4 1];
Return unique values without sorting
ベクトル [1 2 3 4 5 6 7 8 9 10] の作成
find whether it is prime or not
Display positive elements of matrix.
Select primes from the matrix.
Count given word x in text.
Calculate the sum of elements of n*n Hilbert matrix.
Solve expression II
Opposite task convert string hexadecimal numbers array into array of decimal numbers .
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