A puzzling Excel formula to help solve a Sudoku puzzle Hello, Here is an Excel puzzle for the popular number puzzle, Sudoku. Among the most popular strategies for solving Sudoku puzzles is that of gradually eliminating all possibilities in a given square until the correct number for that square is identified. With that in mind, suppose in an Excel spreadsheet, you create a grid as shown in Fig. In this figure, each square is made up of nine cells each of which contains a single digit number.

Define and solve a problem On the Data tab, in the Analysis group, click Solver. If the Solver command or the Analysis group is not available, you need to activate the Solver add-in. How to activate the Solver add-in. In the Set Objective box, enter a cell reference or name for the objective cell.

The objective cell must contain a formula. Do one of the following: If you want the value of the objective cell to be as large as possible, click Max. If you want the value of the objective cell to be as small as possible, click Min. If you want the objective cell to be a certain value, click Value of, and then type the value in the box.

In the By Changing Variable Cells box, enter a name or reference for each decision variable cell range. Separate the non-adjacent references with commas. The variable cells must be related directly or indirectly to the objective cell. You can specify up to variable cells. In the Subject to the Constraints box, enter any constraints that you want to apply by doing the following: In the Solver Parameters dialog box, click Add.

In the Cell Reference box, enter the cell reference or name of the cell range for which you want to constrain the value. If you click int, integer appears in the Constraint box. If you click bin, binary appears in the Constraint box. If you click dif, alldifferent appears in the Constraint box.

To accept the constraint and add another, click Add.

To accept the constraint and return to the Solver Parameters dialog box, click OK. You can change or delete an existing constraint by doing the following: In the Solver Parameters dialog box, click the constraint that you want to change or delete.

Click Change and then make your changes, or click Delete. Click Solve and do one of the following: To keep the solution values on the worksheet, in the Solver Results dialog box, click Keep Solver Solution.

To restore the original values before you clicked Solve, click Restore Original Values. You can interrupt the solution process by pressing Esc. Excel recalculates the worksheet with the last values that are found for the decision variable cells.

To create a report that is based on your solution after Solver finds a solution, you can click a report type in the Reports box and then click OK.

The report is created on a new worksheet in your workbook. If Solver doesn't find a solution, only certain reports or no reports are available. To save your decision variable cell values as a scenario that you can display later, click Save Scenario in the Solver Results dialog box, and then type a name for the scenario in the Scenario Name box.

Step through Solver trial solutions After you define a problem, click Options in the Solver Parameters dialog box. In the Options dialog box, select the Show Iteration Results check box to see the values of each trial solution, and then click OK.

In the Solver Parameters dialog box, click Solve. In the Show Trial Solution dialog box, do one of the following: To stop the solution process and display the Solver Results dialog box, click Stop.

To continue the solution process and display the next trial solution, click Continue.

Enter a cell range for the model area, and click either Save or Load. When you save a model, enter the reference for the first cell of a vertical range of empty cells in which you want to place the problem model.

When you load a model, enter the reference for the entire range of cells that contains the problem model.Sanjay, my colleague is an avid programmer and excel regardbouddhiste.com his spare time he wrote a small VBA macro to solve regardbouddhiste.com is a very famous number based puzzle with a 9×9 grid of cells.

Each of the 9 rows, columns and 3×3 blocks should be filled in such a . Sudoku Solver. A professional tool to be able to solve complex sudoku games. The VBA program uses logic and guess functions to solve the game.

Explanation. These few pages are about how to create a Sudoku Solver and Generator using Excel/VBA. If you just want one, then go ahead and download it. If you are interested in how to write .

Hello, Here is an Excel puzzle for the popular number puzzle, Sudoku. Among the most popular strategies for solving Sudoku puzzles is that of gradually eliminating all possibilities in a given A puzzling Excel formula to help solve a Sudoku puzzleReviews: 4.

Excel spreadsheet that solves Sudoku puzzles. Choice of algorithms, so you can step through a puzzle. This isn't the fastest solver, but we like watching it think.5/5(2).

Define and solve a problem by using Solver. Solver is a Microsoft Excel add-in program you can use for what-if analysis. Use Solver to find an optimal (maximum or minimum) value for a formula in one cell — called the objective cell — subject to constraints, or limits, on the values of other formula cells on a worksheet.

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Excel Sudoku Solver - Free download and software reviews - CNET regardbouddhiste.com