Problem 1634. Kurchan Square - Evaluation Function

Solution 260328

Submitted on 12 Jun 2013 by Andrew Newell

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Richard Zapor on 14 Jun 2013

First solution using spdiags. Flexible options available.

Test	Status	Code Input and Output
1	Pass	%% m=[5 1 8;3 9 4;7 2 6]; K=kurchan_score(m) % 486 assert(K==486) K = 486
2	Pass	%% m=[1 24 65 80 68 41 54 36 39 49 51 28 14 67 57 77 2 45 37 23 40 42 6 10 81 55 69 74 58 3 30 16 43 32 44 70 29 63 79 60 53 35 27 15 4 52 8 31 62 72 73 5 50 25 33 20 22 46 7 71 56 78 18 61 21 38 9 48 13 19 76 66 64 75 59 12 47 11 17 34 26]; tic K=uint64(kurchan_score(m)) % 481200422400 toc assert(K==481200422400) K = 481200422400 Elapsed time is 0.001688 seconds.
3	Pass	%% v=[ 1 6 2 9 3 8 4 5 7]; % 366 m=reshape(v,3,[]); K=uint64(kurchan_score(m)) assert(K==366) K = 366
4	Pass	%% v=[ 8 2 3 7 5 1 9 4 6]; % 486 m=reshape(v,3,[]); K=uint64(kurchan_score(m)) assert(K==486) K = 486
5	Pass	%% v=[ 9 11 12 7 10 15 5 6 2 14 8 4 3 13 1 16]; m=reshape(v,4,[]); % 29590 K=uint64(kurchan_score(m)) assert(K==29590) K = 29590
6	Pass	%% v=[ 1 16 15 6 12 3 2 8 7 9 14 13 10 11 4 5]; m=reshape(v,4,[]); % 11256 K=uint64(kurchan_score(m)) assert(K==11256) K = 11256

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