The approach appends slack, surplus, and artificial variables to the model where needed ... The following example shows how to find the minimum cost flow through a network using linear programming.

Diet models based on goal ... Briend A . Linear and nonlinear programming to optimize the nutrient density of a population's diet: an example based on diets of preschool children in rural Malawi.

This example shows how to use PROC LP to solve a linear goal-programming problem ... priority objective function constrained only by the formal constraints in the model. Then, the problem with the ...