Cody

# Problem 36. Find relatively common elements in matrix rows

Solution 36746

Submitted on 10 Feb 2012 by Jean-Yves Tinevez
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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))

b = []

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

b = 1.0000e+100

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

b = 1 2

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

b = 1

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

b = Columns 1 through 10 1 2 3 4 5 6 7 8 9 10 Columns 11 through 20 11 12 13 14 15 16 17 18 19 20 Columns 21 through 30 21 22 23 24 25 26 27 28 29 30 Columns 31 through 40 31 32 33 34 35 36 37 38 39 40 Columns 41 through 50 41 42 43 44 45 46 47 48 49 50 Columns 51 through 60 51 52 53 54 55 56 57 58 59 60 Columns 61 through 70 61 62 63 64 65 66 67 68 69 70 Columns 71 through 80 71 72 73 74 75 76 77 78 79 80 Columns 81 through 90 81 82 83 84 85 86 87 88 89 90 Columns 91 through 100 91 92 93 94 95 96 97 98 99 100

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

b = 0 1 2 3 4

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

b = -2 0 1 3 NaN NaN

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