Set x value to each odd index of vector y.
Back to basics 25 - Valid variable names
Find a Pythagorean triple
Create an anti-identity matrix
Matlab Basics II - Minimum
Replace values under a limit
Set x value to each even index of vector y.
Form a square matrix from four square sub-matrices
Sum positive elements of matrix.
Calculate the sum of elements of n*n Hilbert matrix.
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