Production of each product requires labor and raw material. Figure 27-9 A feasible solution to the product mix problem fits within constraints. PPS my options are fine, also I did it both accepting and not accepting nt accepting negative values for non-constrained variables (the assignment requires both options). Please verify that all cells and constraints are valid (13).

I'm sure there's tons of room for improvement. Our goal is to maximize profit (computed in cell D12). How can we improve it? When you click Solve, youâ€™ll see the message "Solver could not find a feasible solution." This message does not mean that we made a mistake in our model, but rather that

Share Share this post on Digg Del.icio.us Technorati Twitter Reply With Quote Sep 12th, 2013,11:38 PM #2 Bushido88 New Member Join Date Sep 2013 Posts 5 Re: Constrained optimization using Solver Top of Page Problems Suppose our drug company can purchase up to 500 hours of labor at $1 more per hour than current labor costs. I am working on a problem/case study for a Managerial Decision Models class. This classroom-style book was developed from a series of presentations by Wayne Winston, a well known statistician and business professor who specializes in creative, practical applications of Excel.

Solver could not find a feasible solution The message tells you that your optimization modeling problem doesn't have an answer. Thanks in advance, and don't hesitate to ask for clarification of any kind... What does 'the set values do not converge' mean? Both the labor constraint and the raw material constraint satisfy the linear model requirement.

Letâ€™s see what happens if we allow unlimited demand for each product and we allow negative quantities to be produced of each drug. (You can see this Solver problem on the Add your answer Source Submit Cancel Report Abuse I think this question violates the Community Guidelines Chat or rant, adult content, spam, insulting other members,show more I think this question violates Any help would be greatly appreciated. Excel Solver - Solver encountered an error value in the objective cell or a constraint cell (9).

I'm using the GRG NonLinear solving method. Nelson For simple problems, the Solver in Excel usually quickly finds the optimal Solver variable values for the objective function. To look for a better solution, adjust the Convergence setting in the Solver Options dialog box so that Excel works at a higher level of precision. i.e., rows representing constraints and columns representing variables.

We canâ€™t determine if we can achieve the maximum profit of $6,625.20 in other ways. The one you get depends where you start looking. Figure 27-2 The Solver Parameters dialog box Click the Set Target Cell box and then select our profit cell (cell D12). Although many formats are possible, one widely used format arranges the spreadsheet representation of the problem as they are generally written.

I appreciate the guidance. You can only upload a photo or a video. Does a Solver model always have a solution? Excel Solver - Solver stopped at userâ€™s request (6).

How do i get Windows 10 back? 12 answers Why is it so hard to find the control panel in Windows 10 from the Start menu? 6 answers Terms Privacy AdChoices Then we would use trial and error to vary the product mix to optimize profit without using more labor or raw material than is available, and without producing any drug in In these cases, Solver typically displays a message or an error message that describes or discusses the trouble that it's having with your problem. Any other feedback?

Note:Â As explained in Chapter 26, "An Introduction to Optimization with Excel Solver," Solver is installed by clicking the Microsoft Office Button, then Excel Options, followed by Add-Ins. How can the manufacturer maximize its monthly profit contribution from the plant? All we can be sure of is that with our limited resources and demand, there is no way to make more than $6,627.20 this month. Letâ€™s now solve the following example of the product mix problem.

In essence, this message alerts you to the possibility that a better solution to your optimization modeling problem might exist. Solver has found a solution The message tells you that Solver has done is job and found a set of variable values that satisfy your constraints. how should I interpret this? Imagine how long it would take if you were working with a company that produced, for example, 50 products at their plant.

Yes No Great! Stop chosen when maximum iteration limit was reached The message tells you that Excel ran out of iterations before it found the optimal solution. To do this you (1) create a worksheet representation of the model; (2) define the problem to the solveradd-in(3) solve the problem; (4) view and/or print the results and (5) save Easy!

You must define the problem for the solver by identifying several things: Objective function cell (In the example this is cell D5). Excel Solver - The problem is too large for Solver to handle (8). Generated Sat, 15 Oct 2016 09:30:49 GMT by s_ac15 (squid/3.5.20) ⌂HomeMailSearchNewsSportsFinanceCelebrityWeatherAnswersFlickrMobileMore⋁PoliticsMoviesMusicTVGroupsStyleBeautyTechShopping Yahoo Answers 👤 Sign in ✉ Mail ⚙ Help Account Info Help Suggestions Send Feedback Answers Home All Categories Arts In a similar fashion, our profit is determined by (Drug 1 profit per pound)*(Drug 1 pounds produced) + (Drug 2 profit per pound)*(Drug 2 pounds produced) + ... (Drug 6 profit

Product mix must usually adhere to the following constraints: Product mix canâ€™t use more resources than are available. Expand» Details Details Existing questions More Tell us some more Upload in Progress Upload failed. Skip to main content Call Us: 888-831-0333 Contact Us Welcome CART Live Chat Help Desk HomeNewsBlogSolutionsProductsProduct OverviewAnalytic Solver PlatformRisk Solver PlatformPremium Solver PlatformXLMiner PlatformXLMiner SDK PlatformSolver SDK PlatformSolver EnginesRASON Analytics APIExamplesFinance Why am I receiving a different solution nearly every time (although sometimes the solutions are very close, within decimals of eachother).

How do i reset Parental control in Kindle 4th Generation version 4.1.3? If my iphone was backed up to icloud while on ios 9 then I upgraded to 10 and I want to go back how could I go about doing so? You may get one of the following three messges: "Solver found a solution. You can only upload videos smaller than 600MB.

The per-unit profit, per-unit labor usage, monthly demand, and per-unit machine-time usage are given in the following table: Mice Keyboards Joysticks Profit/unit $8 $11 $9 Labor usage/unit .2 hour .3 hour See the detailed explanations of each message, particularly the first one, "Solver found a solution." Excel Solver - Solver found a solution. For example, suppose that it takes 3,000 hours to write a book and that only 2,000 hours for work are available in a year. However I know these formulas are correct from other examples and as they gave me the correct answers eventually.

C. Click the Constraint box, and then select the cell range F14:F15. You can find the solution to this problem in the file Prodmix.xlsx, shown in Figure 27-1. Please try the request again.

Your only recourse is to attempt to free up memory, perhaps by closing any other open programs and any unneeded documents or workbooks.