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.
Add two numbers
Make a Palindrome Number
Arrange vector in ascending order
Symmetry of vector
Remove entire row and column in the matrix containing the input values
Sort complex numbers into complex conjugate pairs
Insert zeros into vector
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