Create an anti-identity matrix of given dimension.
n = 2
A = [0 1; 1 0]
n = 3
A = [0 0 1; 0 1 0; 1 0 0]
Finding Perfect Squares
Generate a NaN...on purpose
Solve Linear equations
Find the mode of the given input
Case-insensitive Character Detection
Generate vector according to sign of vector
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