Problem 44402. Horizontal matrix sort

Solution 1341164

Submitted on 14 Nov 2017 by Noriko Hounoki

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Test	Status	Code Input and Output
1	Pass	x = []; y_correct = []; assert(isequal(backAndforth(x),y_correct))
2	Pass	x = 0; y_correct = [0 0]; assert(isequal(backAndforth(x),y_correct))
3	Pass	x = [1 4 3 2]; y_correct = [1 2 3 4 4 3 2 1]; assert(isequal(backAndforth(x),y_correct))
4	Pass	x = [1; 4; 3; 2]; y_correct = [1 1; 4 4; 3 3; 2 2]; assert(isequal(backAndforth(x),y_correct))
5	Pass	x = [9 2 8 1; 5 4 9 8; 8 9 6 9]; y_correct = [1 2 8 9 9 8 2 1; 4 5 8 9 9 8 5 4; 6 8 9 9 9 9 8 6]; assert(isequal(backAndforth(x),y_correct))