Problem 413. Back to basics 23 - Triangular matrix

Solution 2481140

Submitted on 6 Jun 2020 by Ramesh Kumar V

This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test	Status	Code Input and Output
1	Pass	x = ones(4,4); y_correct = [1 0 0 0; 1 1 0 0; 1 1 1 0; 1 1 1 1]; assert(isequal(triangle(x),y_correct)) m = 4 n = 4 1 0 0 0 1 1 0 0 1 1 1 0 1 1 1 1 y = 1 0 0 0 1 1 0 0 1 1 1 0 1 1 1 1
2	Pass	x = ones(5,5); y_correct = [1 0 0 0 0; 1 1 0 0 0; 1 1 1 0 0; 1 1 1 1 0; 1 1 1 1 1]; assert(isequal(triangle(x),y_correct)) m = 5 n = 5 1 0 0 0 0 1 1 0 0 0 1 1 1 0 0 1 1 1 1 0 1 1 1 1 1 y = 1 0 0 0 0 1 1 0 0 0 1 1 1 0 0 1 1 1 1 0 1 1 1 1 1
3	Pass	x = reshape(1:16,[4,4]); y_correct = [1 2 3 4; 0 6 7 8; 0 0 11 12; 0 0 0 16]'; assert(isequal(triangle(x),y_correct)) m = 4 n = 4 1 0 0 0 2 6 0 0 3 7 11 0 4 8 12 16 y = 1 0 0 0 2 6 0 0 3 7 11 0 4 8 12 16
4	Pass	x = [0 1 2 3; 0 0 1 2; 0 0 0 1; 0 0 0 0]; y_correct = zeros(4); assert(isequal(triangle(x),y_correct)) m = 4 n = 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0