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Math Help - Sudoku

  1. #1
    hpe
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    Sudoku

    Sudoku (Number Place) is a puzzle game that is currently driving Britain crazy.

    Here is an easy one.

    Here is a difficult one.

    Here is a Wikipedia article.

    In technical terms, this is a "partial Latin Squares" problem. There are mathematical connections to experimental design, cryptology, and graph theory, to name a few.

    There are many unsolved math problems associated with this puzzle - e.g. how many possible arrangements are there, characterize minimal given number patterns that lead to unique solutions, characterize given number patterns that do not have unique solutions, and so on.
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  2. #2
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    Sudoku

    I find that the easy one is pretty difficult. Is there an equation that can be used to solve it?
    Last edited by Math Help; June 3rd 2005 at 12:46 PM.
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  3. #3
    hpe
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    Sudoku

    Quote Originally Posted by Nicol
    I find that the easy one is pretty difficult. Is there an equation that can be used to solve it?
    No, it's a puzzle and just uses logic. However, the Wikipedia article contains some techniques that can help you do these.

    Easy = 20 minutes or more
    Last edited by Math Help; June 3rd 2005 at 12:46 PM.
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