Find sum of negative elements in row.
Example x=[1 -5 3 4 -6 6 7 8 9 10]
result = -11
Select every other element of a vector
Back to basics 6 - Column Vector
Count given word x in text.
Replace x value into y value in string text.
Set x value to each even index of vector y.
Find scalar product of two polynomials a and b, given as vector array.
Find the sides of an isosceles triangle when given its area and height from its base to apex
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