Problem 2851. Find the rank of a matrix

Solution 1658142

Submitted on 24 Oct 2018 by Rafael Hernandez-Walls

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Test	Status	Code Input and Output
1	Pass	x = 1; y_correct = 1; assert(isequal(ranx(x),y_correct)) y = 1
2	Pass	x = [1 0;0 0]; y_correct = 1; assert(isequal(ranx(x),y_correct)) y = 1
3	Pass	x = [1 1;1 0]; y_correct = 2; assert(isequal(ranx(x),y_correct)) y = 2
4	Pass	x = [1 0;0 1]; y_correct = 2; assert(isequal(ranx(x),y_correct)) y = 2
5	Pass	x = [1 0 0;1 0 0;1 0 0]; y_correct = 1; assert(isequal(ranx(x),y_correct)) y = 1
6	Pass	filetext = fileread('ranx.m'); assert(isempty(strfind(filetext, 'rank')),'rank forbidden')