You can do this with simple Sum formulas demonstrated in the below screenshot.Īlso, insert the SUMPRODUCT formula in C12 to calculate the total cost of shipping. More complex optimization models of this kind are used by many companies to save thousands of dollars each year.Įach warehouse has a limited supply and each customer has a certain demand.
What the Excel Solver add-in really needs are the SUM formulas that total each row, column and 2 diagonals. The Excel Solver does not actually need those numbers, but they will help us visualize the problem. To put it differently, constraints are the conditions that must be met.Įxcel will recalculate the worksheet with the last values found for the Variable cells.įirst, we will find a solution for a well-known puzzle, and then solve a real-life linear programming problem. The objective can be to maximize, minimize, or achieve some target value. In this example, lets find a solution for the following simple optimization problem.įor this, you need to buy a new equipment that costs 40,000, which should be paid by instalments within 12 months. If you have another Excel version, the screenshots may not match your version exactly, although the Solver functionality is basically the same. In the Add-Ins available list, check the Solver Add-in box, and click OK. In Excel 2007, click the Microsoft Office button, and then click Excel Options. Please see Excel Solver algorithms for more details.įor example, it can help you maximize the return of investment, choose the optimal budget for your advertising campaign, make the best work schedule for your employees, minimize the delivery costs, and so on.
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