Cody

Problem 2644. The Ulam Matrix

Solution 517273

Submitted on 27 Oct 2014 by George Berken
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.
Solve This Problem View on Solution Map

Test Suite

Test Status Code Input and Output
1   Pass
%% N = 2; y_correct=[4 3; 1 2]; assert(isequal(Ulam(N),y_correct))

ans = 4 3 1 2

2   Pass
%% N = 3; y_correct=[5 4 3; 6 1 2; 7 8 9]; assert(isequal(Ulam(N),y_correct))

ans = 5 4 3 6 1 2 7 8 9

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))

ans = 16 15 14 13 5 4 3 12 6 1 2 11 7 8 9 10

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))

ans = 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

Suggested Problems

More from this Author2

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!