change the signs of the even index entries of the reversed vector
vec = [4 -1 -2 9]
ans = [9 2 -1 -4]
vec = [-4 -1 -2 -9]
ans = [-9 2 -1 4]
The test suite has been expanded.
Select every other element of a vector
Sums with Excluded Digits
Check that number is whole number
Sort complex numbers into complex conjugate pairs
Remove entire row and column in the matrix containing the input values
Symmetry of vector
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