Share
Explore BrainMass

Optimization

Finding optimal level of production

For the graph below: a. Identify the firm's profit maximizing (or loss minimizing output) b. Is the firm making a profit or realizing losses? How do you know? c. Should the firm continue to operate in the short run? Please see the attached file for the graph.

Minimin & Minimax Criterion

A company must decide now which of three products to make next year to plan and order proper materials. The cost per unit of producing each product will be determined by whether a new union labor contract passes or fails. The cost per unit for ecah product, given each contract result, is shown in the following payoff table

Nonlinear Programming & Evolutionary Optimization

This is a problem #14, chapter 8 - Nonlinear Programming & Evolutionary Optimization, from the textbook by Cliff Ragsdale, "Spreadsheet Modeling and Decision Analysis". This problem requires the use of Excel and the add-in, called Solver. The course is Excel-based and Solver is the optimization application used for all problems

Nonlinear Programming & Evolutionary Optimization

This is a problem #10, chapter 8 - Nonlinear Programming & Evolutionary Optimization, from the textbook by Cliff Ragsdale, "Spreadsheet Modeling and Decision Analysis". This problem requires the use of Excel and the add-in, called Solver. The course is Excel-based and Solver is the optimization application used for all proble

Detailed Explanation to Integer Programming

1. Solve the following problem: Max X + 2Y s.t. 6X + 8Y < 48 7X + 5Y > 35 X, Y > 0 Y integer a. Find the optimal solution to the LP Relaxation. Round down to find a feasible integer solution. Is this solution optimal? b. Find the optimal solution. 2. The Westfall Company has a contra

Integer Programming

Integer Programming (see attachment) Beaver's makes 3 products. Each requires work in a three different departments. Labor-hour Reqmts Department Prod 1 Prod 2 Prod 3 Total Avail A 1.50 3.00 2.00 450.00 B 2.00 1.00 2.50 350.00 C 0.25 0.25 0.25 50.00 Profit 25.00 28.00 30.00 Setup costs 400.00 550.00 600.00

Optimization

I have a problem that needs to be solved using any numerical programming. It has been solved and two examples are provided for validation. The only thing missing is the procedure program. I prefer using the matlab if you can I can pay you any thing you want to solve it. Can you do it. I have the objective function.

Network Flow Models; Transportation Nodes; Optimization in Excel; Solver

The blood bank wants to determine the least expensive way to transport available blood donations from Pittsburg and Staunton to hospitals in Charleston, Raonoke, Richmond, Norfolk, and Suffolk. The supply and demand for donated blood is shown in Figure 5.34 along with the unit cost of shipping along with each possible arc. (a)

Linear Programming : Echelon or Gauss-Jordan Methods and Optimization

At rush hours, substantial traffic congestion is encountered at the traffic intersections shown in the figure. (The streets are one-way, as shown by the arrows.)The city wishes to improve the signals at these corners so as to speed the flow of traffic. The traffic engineers first gather data. As the figure shows, 700 cars per h

LP Problem: maximization of ratings.

An aircraft repair facility currently has four jobs awaiting work. Four teams of mechanics are available. Each team can work on only one of the jobs. Over a period of several months the manager has evaluated the repair teams in a variety of jobs. Evaluations are based on 100 being the maximum evaluation possible. The teams

Linear Programming : Optimization

Quitmeyer Electronics Incorporated manufactures the following six microcomputer peripheral devices: internal modems, external modems, graphics circuit boards, CD drives, hard disk drivers, and memory expansion boards. Each of these technical products requires time, in minutes, on three types of electronic testing equipment, as s

Integer Programming

If we are solving a 0-1 integer programming problem, the constraint x1 &#8804; x2¬ is a ________________constraint.

Maximization : Sensitivity Range

MULTIPLE CHOICE For a maximization problem, assume that a constraint is binding. If the original amount of a resource is 4 lbs., and the range of feasibility (sensitivity range) for this constraint is from 3 lbs. to 6 lbs., increasing the amount of this resource by 1 lb. will result in the: a. same product mix, different tota

Shortest Path and Maximal Flow Problem

Please see the attached file for the fully formatted problems. 1. Shortest Path and Maximal Flow Problem (30%): You are given the following directed network. [NETWORK] a. (Shortest Path Problem 15%) Let the numbers on the arcs represent distances and find the shortest path from node 1 to node 9. b. (Maximal Flow

Average Forecast Error

I am having a hard time calculating the average forecast error for september using a four period moving average. Month actual demand forecast demand Avg forecast error march 20 April 25 May 40 June 35 July 30 30 Aug 45 32.5 Sept 37.5 How do

Linear Programming: Optimization

See the attache file. A furniture manufacturer makes chairs and sofas. Each chair can be sold for a profit of £15 and each sofa for a profit of £5. It takes four hours to make a chair and five hours to make a sofa. The manufacturer has enough workers to provide 200 hours per week producing the furniture. Customer demand requi

Operatios Research: Linear Programming and Optimization

Please see the attached file for the fully formatted problem(s). Show all work, define all terms, and label all answers. Please do not simply writing down an answer without an explanation. 1. (20%) A company is planning its aggregate production schedule for the next three months. Units may be produced on regular time

Operations Research: Linear Programming for Optimization

2. Blending Problem (20%): Determine the optimal amounts of three ingredients to include in an animal feed mix. The final product must satisfy several nutrient requirements. The possible ingredients, the nutrient contents (as proportion of the ingredient), and the unit costs are shown in the table. The mixture must meet the foll

Profit

A local newspaper vendor sells papers for $0.50. The papers cost her $0.40, giving her a $0.10 profit on each one she sell. From past experience, she kows that 20% of the time she sell 100 Papers 20% of the time she sell 150 papers 30% of the time she sells 200 papers 30% of the time she sells 250 papers Assuming that sh

Profit Maximization - Transportation

Forbelt Corporation has a one-year contract to supply motors for all refrigerators produced by the IAC. ICA manufacures he refrigerators at 4 locations around the country: Boston, Dallas, Los Angeles and St. Paul. Plans call for the following number ( in thousands) of refrigerators to be produced at each location: Boston--50 D

Integer Programming

1. Integer Programming Problem Consider the following integer linear programming problem Max Z=3x1+2x2 Subject to: 3x1+5x2<=30 5X1+2x2<=28 x1<=8 x1,x2>=0 and integer The solution to the Linear programming relaxation is: x1 = 5.714, x2= 2.571. What is the Z value for the optimal solution under integer

Network Representation of the Distribution System

A company imports goods at two ports: Philadelphia and New Orleans. Shipments of one product are made to customers in Atlanta, Dallas, Columbus, and Boston. For the next planning period, the supplies at each port, customer demands, and shipping costs per case from each port to each customer are follows:

Integer Programming

Solve the following problem: Max X + 2Y s.t. 6X + 8Y < 48 7X + 5Y > 35 X, Y > 0 Y integer a. Find the optimal solution to the LP Relaxation. Round down to find a feasible integer solution. Is this solution optimal? b. Find the optimal solution.

Forecasting

Mathematics, topic: FORECASTING; from book Quantitative Methods. I need help for problem number 8. Please look at the attachment; I will need help for problem 8; in Chapter 15. (you will see the problem on two different file, file 1 and file 2, I also add some example on file 3). The second problem is on page 706, and I need he

Optimization - The Department of the Navy has been downsizing and is looking for cost savings opportunities to meet mandated congressional budget cuts. One suggestion under consideration is to change the make up of content of Navy sea rations, the canned food supplies containing certain minimum quantities of Vitamin A, Vitamin D, iron, and other nutrients, which combat troops carry into battle. ...

The Department of the Navy has been downsizing and is looking for cost savings opportunities to meet mandated congressional budget cuts. One suggestion under consideration is to change the make up of content of Navy sea rations, the canned food supplies containing certain minimum quantities of Vitamin A, Vitamin D, iron, and

Quantitative Methods - We manufacture refrigerators in Nashville, TN.

This is one problem. I need to know if the question is an accounting, break-even analysis, or simulation problem and why or why not. Please answer all the questions. We manufacture refrigerators in Nashville, TN. The petroleum crisis has raised the price of gasoline to $3.75 for regular and diesel to $4.35 per gallon. I

Quantitative Methods Using Integer Programming

This problem has to do with integer programming. See the attached Excel file for proper formatting. Wk 8 Apene plans to purchase 1350 PCs. Three sources are being considered. (Dealt, ICN, and McElectric). Each charges a variable cost per computer plus a fixed delivery and installation cost. See the table below.

QUANTITATIVE METHODS: Forecasting

Show all work, where appropriate in using Excel (no version higher than 2003), PLEASE INCLUDE ALL FORMULARS IN CELLS WHERE CALCULATIONS ARE MADE. Recent past demand for product ZXT is given in the following table: Month Actual Demand February 20 March 22 April 33 May 35

Practice on Maximum and Minimum, Profit maximization

10 practice questions on Maximum and Minimum values (2) Find the absolute maximum value and the absolute minimum value, if any, of the following function. (If an absolute maximum/minimum does not exist, enter NONE in that blank.) g(x) = -x^2 + 2x + 10 (6) Lynbrook West, an apartment complex, has 100 two-bedroom units. The mo