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.
Say something funny
Fibonacci-Sum of Squares
Length of a short side
multiply by three
Toolbox check part 3
Back to basics 9 - Indexed References
Back to basics 13 - Input variables
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