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.
Find all elements less than 0 or greater than 10 and replace them with NaN
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Scoring for oriented dominoes
Return unique values without sorting
Replace Vector Elements
Bottles of beer
Back to basics 11 - Max Integer
Back to basics 26 - Keywords
Back to basics 21 - Matrix replicating
Valid Chess Moves
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