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.
Determine Whether an array is empty
Sum the elements in either diagonal of a square matrix
MATCH THE STRINGS (2 CHAR) very easy
05 - Vector Equations 2
Matrix to column conversion
Sort complex numbers into complex conjugate pairs
Symmetry of vector
Duplicate a character
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