Find sum of negative elements in row.
Example x=[1 -5 3 4 -6 6 7 8 9 10]
result = -11
Duplicate each element of a vector.
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Do you like your boss?
Sum of the Matrix Elements
Set x value to each odd index of vector y.
Solve expression II
Count given word x in text.
For given xx,x, y vectors build spline of x and y and find yy values for xx vector.
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