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Re: [Bug-apl] ⎕DLX (2)

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

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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