Cody

Problem 980. Unique values without using UNIQUE function

Solution 1441334

Submitted on 15 Feb 2018 by Hannes
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Test Suite

Test Status Code Input and Output
1   Pass
filetext = fileread('your_fcn_name.m') assert(isempty(strfind(filetext, 'unique'))) assert(isempty(strfind(filetext, 'stable'))) A = [9 2 9 5]; assert(isequal(your_fcn_name(A),unique(A,'stable')))

filetext = 'function ans = your_fcn_name(x) x(arrayfun(@(y,i) find(x == y, 1) == i, x, 1:length(x))) end %This code written by profile_id 2887951 ' ans = 9 2 5

2   Pass
x = [42 1 1 1 42 17 17]; assert(isequal(your_fcn_name(x),unique(x,'stable')))

ans = 42 1 17

3   Pass
x = rand(1,25); assert(isequal(your_fcn_name(x),unique(x,'stable')))

ans = Columns 1 through 17 0.4060 0.9255 0.1607 0.3679 0.1801 0.7582 0.0361 0.5409 0.7310 0.4713 0.6774 0.1332 0.9193 0.4840 0.6926 0.4705 0.2116 Columns 18 through 25 0.9704 0.1330 0.5865 0.7353 0.3346 0.9954 0.2616 0.5392