Cody

Problem 67. Find common elements in matrix rows

Solution 1910400

Submitted on 23 Aug 2019
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Test Suite

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

uni_x = [] l = 0 y = 0

Assertion failed.

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

uni_x = [] l = 1 uni_x = 1.0000e+100 y = 0

Assertion failed.

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

uni_x = [] l = 1 uni_x = 1 y = 0

Assertion failed.

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

uni_x = [] l = 10 uni_x = 1 uni_x = 1 1 uni_x = 1 1 1 uni_x = 1 1 1 1 uni_x = 1 1 1 1 1 uni_x = 1 1 1 1 1 1 uni_x = 1 1 1 1 1 1 1 uni_x = 1 1 1 1 1 1 1 1 uni_x = 1 1 1 1 1 1 1 1 1 uni_x = 1 1 1 1 1 1 1 1 1 1 y = 0

Assertion failed.

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

uni_x = [] l = 10

Unable to perform assignment because the indices on the left side are not compatible with the size of the right side. Error in common_by_row (line 5) uni_x(i) = unique(x(i, :)) Error in Test5 (line 3) assert(isequal(common_by_row(x),y_correct))

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

uni_x = [] l = 9

Unable to perform assignment because the indices on the left side are not compatible with the size of the right side. Error in common_by_row (line 5) uni_x(i) = unique(x(i, :)) Error in Test6 (line 3) assert(isequal(common_by_row(x),y_correct))

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

uni_x = [] l = 4

Unable to perform assignment because the indices on the left side are not compatible with the size of the right side. Error in common_by_row (line 5) uni_x(i) = unique(x(i, :)) Error in Test7 (line 3) assert(isequal(common_by_row(x),y_correct))