Excel Solver Tutorial Pdf

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Prerequisite Skills in Microsoft® Excel

Version 10.5 For Use With Excel 2011 Premium Solver Platform for Mac User Guide. INTRODUCTION TO THE EXCEL SPREADSHEET Preparing a Gradesheet LEARNING OUTCOMES This tutorial will help you understand what a spreadsheet is and where a spreadsheet might come in useful for classroom management. Specifically you will learn about the following topics. Understanding the basic concepts of a spreadsheet, including.

We will be using Microsoft Excel throughout the semester.

There are a number of excellent tools for solving optimization programs as part of a subject such as 15.053. We have selected Excel because of its broad applicability and power of expression, including a variety of graphical tools for visualizing data. For optimization, the most important 'add-in' is Excel Solver, which can be used to solve a wide range of optimization problems.

Tutorial

The expressiveness of Excel comes at the cost of having a long learning curve. We do not (and should not) expect a mastery of Excel, or even anything close to mastery. However, students who have little or no experience with Excel should acquaint themselves with the fundamentals in the following areas:

  • Getting started with Excel
  • Managing workbooks
  • Managing worksheets, cells, and cell data
  • Summarizing data using formulas and functions
  • Formatting worksheet elements
  • Working with charts (graphs)
  • Printing and exporting

For its enrolled students and staff, MIT provides free use of the software tutorial service Lynda.com. Many excellent tutorials for Excel can be found there.

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Course Topic Tutorials

These tutorials were provided to students for background and supplemental study. Some are intended as skill refreshers, while others are on topics not covered in class.

Tutorial 10: Branch and bound (PDF) (Courtesy of Zachary Leung. Used with permission.)

Tutorial 11: Gomory cuts and a little more (PDF) (Courtesy of Zachary Leung. Used with permission.)

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Excel Solver Tutorial Pdf Example

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Using Excel's Built-In Solver - Product Mix Example

Understanding the Excel Solver Dialogs

To let the Excel Solver know which cells on the worksheet represent the decision variables, constraints and objective function, we click Solver button on the Excel Data tab, or the Premium Solver button on the Add-Ins tab, which displays the Solver Parameters dialog. In the Set Objective (or Set Target Cell) edit box, we type or click on cell F5, the objective function. In the By Changing Variable Cells edit box, we type B4:E4 or select these cells with the mouse. (Click on the image to see it full-size.)

To add the constraints, we click on the Add button in the Solver Parameters dialog and select cells F8:F11 in the Cell Reference edit box (the left hand side), and select cells G8:G11 in the Constraint edit box (the right hand side); the default relation <= is OK. (Click on the image to see it full-size.)

Solver

We choose the Add button again (either from the Add Constraint dialog above, or from the main Solver Parameters dialog) to define the non-negativity constraint on the decision variables. (Alternatively, we can check the Make Unconstrainted Variables Non-Negative option in the Solver Parameters dialog.)

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When we've completely entered the problem, the Solver Parameters dialog appears as shown below. This is the Excel Solver dialog from Excel 2010; the Solver in earlier versions of Excel have similar elements. Frontline's Premium Solver products can emulate either style, and they also offer a new Ribbon-based user interface. (Click on the image to see it full-size.)

Excel Solver Tutorial Pdf Template

Finding and Using the Solution

To find the optimal solution, we simply click on the Solve button. After a moment, the Excel Solver returns the optimal solution in cells B4 through E4. This means that we should build 23 pallets of Tahoe panels, 15 pallets of Pacific panels, 39 pallets of Savannah panels, and 0 pallets of Aspen panels. This results in a total profit of $58,800 (shown in cell F5). (Click on the image to see it full-size.)

The message 'Solver found a solution' appears in the Solver Results dialog, as shown above. (Click on the image to see it full size). We now click on 'Answer' in the Reports list box to produce an Answer Report, and click OK to keep the optimal solution values in cells B4:E4.

After a moment, the Solver creates another worksheet containing an Answer Report, like the one below, and inserts it to the left of the problem worksheet in the Excel workbook. (Click on the image to see it full-size.)

This report shows the original and final values of the objective function and the decision variables, as well as the status of each constraint at the optimal solution. Notice that the constraints on glue, pressing, and pine chips are binding and have a slack value of 0. The optimal solution would use up all of these resources; however, there were 28,000 pounds of oak chips left over. If we could obtain additional glue, pressing capacity, or pine chips we could further increase total profits, but extra oak chips would not help in the short run.

There's a whole world beyond Excel Solver: Upgrade to Analytic Solver Basic and get greater solving power, wizards and Guided Mode, over 100 example models, extensive Help and user guides, access to our Solver.Academy courses, expert tech support -- plus Monte Carlo simulation and risk analysis, decision trees, data mining, text mining and machine learning, and more! It's an incredible offer, and you can try it for free.
Learn more about Analytic Solver Click Here

Learning More

Excel Solver Tutorial Pdf Templates

If you've gotten to this point, congratulations! You've successfully set up and solved a simple optimization problem using Microsoft Excel. If you'd like, you can see how to set up and solve the same Product Mix problem using Risk Solver Platform in Excel or using a Visual Basic .NET program that calls Frontline's Solver Platform SDK. If you haven't yet read the other parts of the tutorial, you may want to return to the Tutorial Start and read the overviews 'What are Solvers Good For?', 'How Do I Define a Model?', 'What Kind of Solution Can I Expect?' and 'What Makes a Model Hard to Solve?'

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This was an example of a linear programming problem. Other types of optimization problems may involve quadratic programming, mixed-integer programming, constraint programming, smooth nonlinear optimization, and nonsmooth optimization. To learn more, click Optimization Problem Types. For a more advanced explanation of linearity and sparsity in optimization problems, continue with our Advanced Tutorial.

Excel Solver Tutorial Pdf

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