Market Research Linear Programming
A market research firm has been retained to conduct focus group interviews for a real estate company. Plans are made to classify participants to age: over 45 or 45 and under and as to whether or not they have recently bought and/or sold a house (within the last two years). Specific guidelines have been developed: · ...continues
Ms. Olsen, a coffee processor, markets three blends of coffee.
Ms. Olsen, a coffee processor, markets three blends of coffee. They are Brand X, Minim and Taster's Reject. Ms. Olsen uses two types of coffee beans, Columbian and Mexican, in her coffee. The following chart lists the compositions of the blends. Blend Columbian Beans Mexican Beans Brand X 80% 20% Minim 50% 50% Taster’s ...continues
Goal Programming (Lindo) - First West Chemical
First West Chemical First West Chemical Company produces two chemical ingredients for pharmaceutical firms; formula X and formula Y. Production of each ingredient requires two processes. A unit of Formula X requires 4 hours in process 1 and 3 hours in process 2. A unit in formula Y requires 2 hours in process 1 an ...continues
Production Schedule / Blending / Mixture
Coffee Blends Ms. Olsen, a coffee processor, markets three blends of coffee. They are Brand X, Minim and Taster's Reject. Ms. Olsen uses two types of coffee beans, Columbian and Mexican, in her coffee. The following chart lists the compositions of the blends. Blend Columbian Beans Mexican Beans B ...continues
What is the new economic order quantity for the product?
A large distributor of oil-well drilling equipment operated over the past two years with EOQ policies based on an annual holding cost rate of 22%. Under the EOQ policy, a particular product has been ordered with a Q* = 80. a recent evaluation of holding costs shows that because of an increase in the interest rate associated wi ...continues
An airline has a new airplane that will be fitted out for a combination of first and second class passengers. A first class seat will cost $120 on a certain one-way trip and a second class seat $80. The seating capacity of the plane is 200 second class seats. A first class seat takes 1.2 times the floor area of a second-class se ...continues
Showing a matrix is totally unimodular.
This problem was a sample exam question taken from a text book. This problem is about showing a matrix is TU. This problem can be found in the Wolsey text book called "Integer Programming". A useful resource is "Integer and Combinatorial optimization" by Wolsey and Nemhauser.
Old Tennessee Distillers, Inc., is a large distiller in rural Tennessee with a strong brand recognition for three major brands of blended whiskey. Old Tennessee blends five bourbons into the three final branded blends of whiskey. Brand A is a blend of 20% component bourbon 1, 15% component 2, 30% component 3, 10% component 4, ...continues
The Midland Tool Company manufactures prefabricated metal housings and covers for consumer products
The Midland Tool Company manufactures prefabricated metal housings and covers for consumer products under contracts from finished goods producers on four heavy presses of different sizes and different requirements. Currently, the company has a contract to manufacture three products that each require operations on any one of the ...continues
Fairview Manufacturing Company is considering a number of expansion projects to take place over the next four years. Specifically, Fairview Manufacturing needs to utilize a capital budgeting process to select appropriate opportunities from a total of five approved projects under consideration. Each project requires lump sum ca ...continues