Write a function to determine whether or not the matrix is a projector. Projector matrices are defined as P^2 = P.
test 8 is not a symmetric matrix, is it a projector matrix?
Sorry about that one. I've removed that test case. I don't know how long it will take for the re-scoring to propagate, though.
Determine if input is odd
Back to basics 5 - Clipboard
Back to basics 22 - Rotate a matrix
Rosenbrock's Banana Function and its derivatives
Find nearest prime number less than input number
Calculator spelling - Numbers to Letters
Scrabble Scores - 7
Self-similarity 3 - Every other pair of terms
Scrabble Scores - 6
Combined Ages 4 - Non-symmetric with multiples, n ≥ 3
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