
Chapter 8
Basic Concepts
Optimization is a methodology aiming to find the best among available al-
ternatives. The available alternatives are referred to as feasible solutions,and
their quality is measured using some numerical function called the objective
function. A feasible solution that yields the best (minimum or maximum)
objective function value is called an optimal solution.
Optimization problems are of great practical interest. For example, in man-
ufacturing, how should one cut plates of a material so that the waste is min-
imized? In business, how should a company allocate the available resources
so that its profit is maximized? Some of the