Problem 2851. Find the rank of a matrix

Solution 566558

Submitted on 27 Jan 2015 by J.R.! Menzinger

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