Powerful Sudoku Solver
SUDOKU_LVL2 - A Sudoku Solver.
Usage : Sol=sudoku_lvl2(A)
Where A is a incomplete sudoku grid (9 x 9) represented as a 9 x 9 matrix of integers (0-9) with the empty cells being filled with zeros.
The algorithm presented here uses the following techniques.
(*) Filling a cell by candidate elimination
(*) Filling a cell by position exclusion for a given candidate
(*) Refining choices of candidates in a given cell by eliminating members
of locked pairs, locked triplets and so on..
(*) Filling the remaining cells by brute force method.
First 3 algorithms are of my own logic. The brute force algorithm is a big improvement over '8466'.
Note : Please note that the aim of this algorithm is to have the most comprehensive logic while trying to have a decent speed. Speed, though, is not the primary criterion.
Cita come
Janardhanan Sivaramakrishnan (2024). Powerful Sudoku Solver (https://www.mathworks.com/matlabcentral/fileexchange/21576-powerful-sudoku-solver), MATLAB Central File Exchange. Recuperato .
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Riconoscimenti
Ispirato da: MATLAB Sodoku Solver - Improved
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Versione | Pubblicato | Note della release | |
---|---|---|---|
1.0.0.0 | Updated some code. |