## Introduction to Operations ResearchCD-ROM contains: Student version of MPL Modeling System and its solver CPLEX -- MPL tutorial -- Examples from the text modeled in MPL -- Examples from the text modeled in LINGO/LINDO -- Tutorial software -- Excel add-ins: TreePlan, SensIt, RiskSim, and Premium Solver -- Excel spreadsheet formulations and templates. |

### From inside the book

Results 1-3 of 83

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**assigned**a real product ( a choice of product 1 , 2 , 3 , or 4 ) , so the Big M method is needed to prevent the**assignment**of the fictional product to Plant 3 instead . ( As in Table 8.28 , M also is used to prevent the infeasible ...Page 399

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**assigned**one product , and two plants are to be**assigned**none ) . The objective is to make these assignments so as to minimize the total cost of pro- ducing these amounts of the three products . ( a ) Formulate this problem as an ...Page 408

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**assigned**in one direction and then a flow of 4 is**assigned**in the opposite direction , the ac- tual effect is to cancel 4 units of the original**assignment**by reducing the flow in the origi- nal direction from 10 to 6. Even for a ...### Other editions - View all

Introduction to Operations Research Frederick S. Hillier,Gerald J. Lieberman No preview available - 2001 |

### Common terms and phrases

activity algebraic algorithm allowable range artificial variables b₂ basic solution c₁ c₂ changes coefficients column Consider the following cost Courseware CPLEX decision variables described dual problem dynamic programming entering basic variable estimates example feasible region feasible solutions final simplex tableau final tableau flow following problem formulation functional constraints Gaussian elimination given graphical identify increase initial BF solution integer iteration leaving basic variable linear programming model linear programming problem LINGO LP relaxation lution Maximize Z maximum flow problem Minimize needed node nonbasic variables nonnegativity constraints objective function obtained optimal solution optimality test parameters path plant presented in Sec primal problem Prob procedure range to stay resource right-hand sides sensitivity analysis shadow prices shown simplex method slack variables solve the model Solver spreadsheet step subproblem surplus variables Table tion unit profit values weeks Wyndor Glass x₁ zero