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Chapter 5: Problem 26

What is a constraint in a linear programming problem? How is a constraint represented?

Short Answer

Expert verified
A constraint in a linear programming problem is a restriction or limitation on the decision variables, often representing limited resources. Constraints are represented as linear inequalities or equations, which form the feasible region within which the solution to the problem lies.

Step by step solution

01

Understanding the linear programming problem

Linear Programming is a method to achieve the best outcome in a mathematical model whose requirements are represented by linear relationships. It's a technique used in mathematical programming to optimize something like costs or profits. It comprises of an objective function, decision variables, and constraints.
02

Defining a Constraint

A constraint in a linear programming problem is a restriction or limitation on the decision variables. They limit the value that the decision variables can take. A constraint can also represent the limited resources that are available.
03

Representation of a Constraint

Constraints in a Linear Programming (LP) problem are represented as linear inequalities or linear equations. They form the feasible region within which the solution to the LP problem lies. For example, if x and y are decision variables, a constraint may look like this: \(3x + 4y \leq 20 \), which represents a limitation on the values x and y can take.

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Most popular questions from this chapter

write the partial fraction decomposition of each rational expression. $$ \frac{2 x^{2}-18 x-12}{x^{3}-4 x} $$

write the partial fraction decomposition of each rational expression. $$ \frac{3 x^{3}-6 x^{2}+7 x-2}{\left(x^{2}-2 x+2\right)^{2}} $$

write the partial fraction decomposition of each rational expression. $$ \frac{5 x^{2}-6 x+7}{(x-1)\left(x^{2}+1\right)} $$

Determine whether each statement makes sense or does not make sense, and explain your reasoning. I use the coordinates of each vertex from my graph representing the constraints to find the values that maximize or minimize an objective function.

write the partial fraction decomposition of each rational expression. $$ \frac{4 x^{2}+3 x+14}{x^{3}-8} $$
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