## Introduction to Operations Research, Volume 1CD-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. |

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Page 249

constructing the dual problem except that the nonnegativity

constructing the dual problem except that the nonnegativity

**constraint**for the corresponding dual variable should be deleted ( i.e. ... Another shortcut involves functional**constraints**in > form for a maximization problem .Page 586

Either - Or

Either - Or

**Constraints**Consider the important case where a choice can be made between two**constraints**, so that only one ( either one ) must hold ( whereas the other one can hold but is not required to do so ) .Page 587

Since y + 1 - y = 1 ( one yes ) automatically , there is no need to add another

Since y + 1 - y = 1 ( one yes ) automatically , there is no need to add another

**constraint**to force these two decisions to be ... K out of N**Constraints**Must Hold Consider the case where the overall model includes a set of N possible ...### What people are saying - Write a review

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### Other editions - View all

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

### Common terms and phrases

activity additional algorithm allowable amount apply assignment basic solution basic variable BF solution bound boundary called changes coefficients column complete Consider constraints Construct corresponding cost CPF solution decision variables demand described determine direction distribution dual problem entering equal equations estimates example feasible feasible region FIGURE final flow formulation functional constraints given gives goal identify illustrate increase indicates initial iteration linear programming Maximize million Minimize month needed node nonbasic variables objective function obtained operations optimal optimal solution original parameters path Plant possible presented primal problem Prob procedure profit programming problem provides range remaining resource respective resulting shown shows side simplex method simplex tableau slack solve step supply Table tableau tion unit weeks Wyndor Glass zero