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Most users are able to begin modeling within minutes of installation. Excel users will find What's Best! to be an easy and powerful tool for solving optimization problems.
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For optimization modeling in Excel, What's Best! offers unrivaled speed and capacity. The linear, integer, nonlinear and global solvers in What'sBest! have been designed for large scale commercial use and field tested on real world models by companies around the world. What's Best! will efficiently solve your biggest, toughest models.
#Excel solver examples optimization manual
You can try it out, look at dozens of sample models, and browse the user manual via the online Help.
#Excel solver examples optimization trial
This allows us to express the constraints shown earlier as:Ĭlick on the links below to see how this model can be solved using Excel's built-in Solver (or Premium Solver) or with FrontLine Systems' flagship Risk Solver Platform product.You can download a free trial version of What's Best! from our website. In cells G8:G11, we've entered the available amount of each type of resource (corresponding to the right hand side values of the constraints). (The dollar signs in $B$4:$E$4 specify that this cell range stays constant, while the cell range B8:E8 becomes B9:E9, B10:E10, and B11:E11 in the copied formulas.) The formulas in cells F8:F11 correspond to the left hand side values of the constraints. We can copy this formula to cells F9:F11 to compute the total amount of pressing, pine chips, and oaks chips used. With these values in place, we can enter a formula in cell F8 to compute the total amount of glue used for any number of pallets produced:įormula for cell F8: =SUMPRODUCT(B8:E8,$B$4:$E$4) These numbers come directly from the formulas for the constraints shown earlier. For example, the value 15 in cell C9 means that 15 hours of pressing is required to produce a pallet of Pacific style panels. In cells B8:E11, we've entered the amount of resources needed to produce a pallet of each type of panel. Notice that the profit for each pallet of panels ($450, $1,150, $800 and $400) was entered in cells B5, C5, D5 and E5, respectively. This allows us to compute the objective in cell F5 as:įormula for cell F5: =B5*B4+C5*C4+D5*D4+E5*E4įormula for cell F5: =SUMPRODUCT(B5:E5,B4:E4) (Click on the worksheet for a full-size image.) The Solver will determine the optimal values for these cells. In the worksheet below, we have reserved cells B4, C4, D4 and E4 to represent our decision variables X 1, X 2, X 3, and X 4 representing the number of pallets of each type of panel to produce. Because decision variables and constraints usually come in logical groups, you'll often want to use cell ranges in your spreadsheet to represent them. Creating an Excel WorksheetĪssuming that you have organized the data for the problem in Excel, the next step is to create a worksheet where the formulas for the objective function and the constraints are calculated. In general, your goal should be to create a spreadsheet that communicates its purpose in a clear and understandable manner. Within this overall structure, you have a great deal of flexibility in how you choose cells to hold your model's decision variables and constraints, and which formulas and built-in functions you use.