Cody

Problem 67. Find common elements in matrix rows

Solution 101651

Submitted on 22 Jun 2012
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Test Suite

Test Status Code Input and Output
1   Pass
%% x = []; y_correct = []; assert(isequal(common_by_row(x),y_correct))

y = 1 y = Empty matrix: 1-by-0 y = Empty matrix: 1-by-0

2   Pass
%% x = [1e100; 1e100]; y_correct = [1e100]; assert(isequal(common_by_row(x),y_correct))

y = 1 y = Empty matrix: 1-by-0 y = Empty matrix: 1-by-0

3   Fail
%% x = [1; 2]; y_correct = []; assert(isequal(common_by_row(x),y_correct))

Error: Assertion failed.

4   Pass
%% x = ones(10); y_correct = [1]; assert(isequal(common_by_row(x),y_correct))

y = 1 y = Empty matrix: 1-by-0 y = Empty matrix: 1-by-0

5   Fail
%% x = magic(10); y_correct = []; assert(isequal(common_by_row(x),y_correct))

Error: Assertion failed.

6   Pass
%% x = wilkinson(9); y_correct = [0 1]; assert(isequal(common_by_row(x),y_correct))

y = 1 y = Empty matrix: 1-by-0 y = Empty matrix: 1-by-0

7   Pass
%% x = [3 -2 1 NaN; NaN 0 -2 3]; y_correct = [-2 3]; assert(isequal(common_by_row(x),y_correct))

y = 1 y = Empty matrix: 1-by-0 y = Empty matrix: 1-by-0

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