Find sum of negative elements in row.
Example x=[1 -5 3 4 -6 6 7 8 9 10]
result = -11
Matrix indexing with two vectors of indices
Is it a number?
UICBioE240 problem 1.4
Back to Basics - Find no. of elements in a matrix?
Find cosine between two given vectors u and v.
Set x value to each odd index of vector y.
For given xx,x, y vectors build spline of x and y and find yy values for xx vector.
Solve expression III
Find hen's weight.
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