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.
Determine if a Given Number is a Triangle Number
Solve the Sudoku Row
Back to basics 1 - Saving
Fill a zeros matrix
Better bullseye matrix
Back to basics 8 - Matrix Diagonals
Back to basics 7 - Equal NaNs
Back to basics 2 - Function Path
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