## Introduction to Operations Research, Volume 1-- This classic, field-defining text is the market leader in Operations Research -- and it's now updated and expanded to keep professionals a step ahead -- Features 25 new detailed, hands-on case studies added to the end of problem sections -- plus an expanded look at project planning and control with PERT/CPM -- A new, software-packed CD-ROM contains Excel files for examples in related chapters, numerous Excel templates, plus LINDO and LINGO files, along with MPL/CPLEX Software and MPL/CPLEX files, each showing worked-out examples |

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Page 13

Rather than

Rather than

**formulating**one mathematical model , this OR study developed a comprehensive , integrated system of 50 models ! Furthermore , for some of the models , both simple and complex versions were developed .Page 73

3.7

3.7

**FORMULATING**VERY LARGE LINEAR PROGRAMMING MODELS Linear programming models come in many different sizes . ... It simply is not practical to write out the algebraic**formulation**, or even to fill in the parameters on a spreadsheet ...Page 140

The two

The two

**formulations**are equivalent because the smaller Z is , the larger -Z is , so the solution that gives the smallest ... Therefore , in the radiation therapy example , we make the following change in the**formulation**: Minimize ...### What people are saying - Write a review

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### 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 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