Your test suite doesn't really match the problem statement. The tests require matrices with *exactly* all elements abot the main diagonal to be 0 *and* all elements on or below the main diagonal to be 1.
Additional test cases have been added.
Running this on octave returns the correct results yet the page still says I'm wrong.
function y = triangMatrix(x)
I copied this code from somewhere.
Inner product of two vectors
Duplicate each element of a vector.
Fibonacci-Sum of Squares
Back to basics 22 - Rotate a matrix
Back to basics 4 - Search Path
Back to basics 14 - Keywords
Valid Chess Moves
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