Add only the positive numbers of x
x = [-2 -1 0 1 2 3]
the positive numbers are: 1 2 3, so their sum is 6
First N Perfect Squares
What number has this problem?
Help the Patriots get to the Super Bowl
MATLAB Basic: rounding
Matrix of almost all zeros, except for main diagonal
Magnitude of a vector
Second smallest number
All odd - all even
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