BU283 Lecture Notes - Lecture 28: Mayonnaise, Slack Variable, Feasible Region
Document Summary
Every lp problem has decision variables, an objective function and constraints. Objective function and constraints are linear functions. Constraint types are , = , or . Decision variables can assume any fractional value. You have 8 small blocks and 6 large bocks. You need 2 large blocks and 1 small block to make a table. You need 1 large block and 2 small blocks to make a chair. Do not make more than 5 tables. Select product mix to maximize profit using the available resources. The best way to determine the decision variables is to put oneself in the shoes of the decision maker and then ask the question what do i need to know in order to make this thing work? . Decision variables: c = # of chairs, t = # of tables. Often, the most difficult part of any modeling problem is the determination of decision variables.
