Sudoku Toolbox

• Algorithms
  • sudoku_candidatefind — Find a candidate in the sudoku.
  • sudoku_candidateprint — Find and print a candidate in the sudoku.
  • sudoku_candidateremove — Remove a candidate.
  • sudoku_candidates — Returns candidates for a sudoku X.
  • sudoku_candidatescell — Returns candidates for a cell in a sudoku.
  • sudoku_candidatesmerge — Merge candidates in the row, column or block.
  • sudoku_cellcandidates — Returns candidates for a cell in a sudoku.
  • sudoku_confirmcell — Confirm the value of a cell.
  • sudoku_findhiddensubset — Find naked subsets of given length.
  • sudoku_findlocked — Search for locked candidates.
  • sudoku_findnakedsubset — Find naked subsets of given length.
  • sudoku_findtwocolors — Search for pairs.
  • sudoku_findxcycle — Search for pairs.
  • sudoku_findxwing — Find X-Wings.
  • sudoku_iscandsingle — See if a candidate is single.
  • sudoku_islatin — Check if a matrix is a Latin Square.
  • sudoku_issolved — See if the sudoku is solved.
  • sudoku_locatenakedsubset — Find naked subsets of given length and returns the associated rows and columns.
  • sudoku_visiblefrom — Compute the cells visible from cell a.
  • sudoku_visiblefrom2 — Compute the cells visible from both cell a and b.
• Generate
  • sudoku_create — Generate a puzzle and its solution.
  • sudoku_delrandom — Deletes entries at random in a sudoku.
  • sudoku_fillrandom — Generate a random sudoku.
  • sudoku_generate — Generate a puzzle and its solution.
  • sudoku_generate2 — Generate a puzzle and its solution.
  • sudoku_generate3 — Generate a puzzle and its solution.
  • sudoku_rootsolution — Returns the root solution.
• Read/Write
  • sudoku_print — Print a sudoku.
  • sudoku_readgivens — Read a sudoku from a string of 81 givens.
  • sudoku_readsdk — Read a sudoku in a .sdk file.
  • sudoku_readsdm — Read a sudoku in a .sdm file.
  • sudoku_readsdmnb — Returns the number of sudoku in a .sdm file.
  • sudoku_readss — Read a sudoku in a .ss file.
  • sudoku_writegivens — Returns the given sudoku as a string of 81 givens.
  • sudoku_writesdk — Returns the given sudoku as a sdk string.
  • sudoku_writess — Returns the given sudoku as a Simple Sudoku format.
• Solve
  • sudoku_solve — Solves Sudoku.
  • sudoku_solveai — Solves Sudoku.
  • sudoku_solvebylogic — Solves Sudoku.
  • sudoku_solverecursive — Solves Sudoku using naked singles and recursive backtracking.
  • sudoku_solvesa — Solves Sudoku.
• Utilities
  • sudoku_latinsquare — Create Latin Squares of order n.
  • sudoku_order — Order a sudoku.
  • sudoku_permute — Permute a sudoku.