Problem 2644. The Ulam Matrix

Solution 518340

Submitted on 30 Oct 2014 by Georges

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Test	Status	Code Input and Output
1	Pass	%% N = 2; y_correct=[4 3; 1 2]; assert(isequal(Ulam(N),y_correct))
2	Pass	%% N = 3; y_correct=[5 4 3; 6 1 2; 7 8 9]; assert(isequal(Ulam(N),y_correct))
3	Pass	%% N = 4; y_correct=[16 15 14 13; 5 4 3 12; 6 1 2 11; 7 8 9 10]; assert(isequal(Ulam(N),y_correct))
4	Pass	%% N = 5; y_correct=[17 16 15 14 13; 18 5 4 3 12; 19 6 1 2 11; 20 7 8 9 10; 21 22 23 24 25]; assert(isequal(Ulam(N),y_correct))