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Writing about AI, machine learning, data science, and operations research.
How few clues does a Sudoku need? Searching for minimum-clue puzzles
9 min readWe use the Sudoku solver from the previous post to hunt for minimum-clue puzzles across different grid sizes — and bump into an open problem in mathematics.
Validating and solving Sudoku puzzles: using mathematical optimization
9 min readIn this post, we go from the seemingly simple interview question of "model Sudoku as an optimization problem" all the way to an open problem in mathematics.