Find sum of negative elements in row.
Example x=[1 -5 3 4 -6 6 7 8 9 10]
result = -11
Make the vector [1 2 3 4 5 6 7 8 9 10]
Back to basics 9 - Indexed References
Solve the set of simultaneous linear equations
Get derivarive of polynomial given as vector array.
Form a square matrix from four square sub-matrices
Calculate the sum of elements of n*n Hilbert matrix.
Select primes from the matrix.
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