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| From: | Juergen Sauermann |
| Subject: | Re: [Bug-apl] ⎕DLX (2) |
| Date: | Sat, 26 Nov 2016 18:26:46 +0100 |
| User-agent: | Mozilla/5.0 (X11; Linux i686; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 |
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Hi Xtian, I have added a workspace called sudoku_DLX to our Bits_and_Pieces directory. It uses ⎕DLX and the constraints matrix from http://www.stolaf.edu/people/hansonr/sudoku/exactcovermatrix.htm. I am still a bit puzzled if the 'field' constraints are really needed, but it seems like they don't hurt. /// Jürgen |
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