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.
Make a Palindrome Number
Implement simple rotation cypher
Replace multiples of 5 with NaN
Who is the smartest MATLAB programmer?
Tic-Tac-Logic - Solution Checker
Lights Out 3 - 5x5, 6 moves
Lights Out 1 - 5x5, 3 moves
I Plead the Fifth
5th Time's a Charm
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