Recursive Sudoku Solver in MATLAB

Version 1.2.0.0 (1.76 KB) by Josip
A Sudoku solver that takes a (9x9) matrix and outputs the solved matrix.
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Updated 14 Nov 2013

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This solves a Sudoku puzzle (given that it is initially valid) recursively. While it isn't the fastest, I think it's nice for 18 lines worth of code. I made another one that's faster, but it's substantially longer.

Cite As

Josip (2024). Recursive Sudoku Solver in MATLAB (https://www.mathworks.com/matlabcentral/fileexchange/44272-recursive-sudoku-solver-in-matlab), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2013a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.2.0.0

I had a look at why it was not performing as fast as I thought, turns out that setxoring is slow. So I tried to eliminate this, and it made the code ~14x faster! I've left the old code in for reference.
1.1.0.0

Just updated the title.