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Problem 413. Back to basics 23 - Triangular matrix

Created by Alan Chalker

Covering some basic topics I haven't seen elsewhere on Cody.

Given an input matrix, return a matrix with all elements above and to the right of the main diagonal set to zero. Example:

input = [ 1 1 1 1; 1 1 1 1; 1 1 1 1; 1 1 1 1]
output = [1 0 0 0; 1 1 0 0; 1 1 1 0; 1 1 1 1]

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222 correct solutions 70 incorrect solutions
Last solution submitted on Nov 17, 2014

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