## 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 115

The

The

**slack**variable for this constraint is defined to be x3 = 4 – x1 , which is the amount of**slack**in the left - hand side of the inequality . Thus , x1 + x3 = 4 . Given this equation , x1 = 4 if and only if 4 – xy = x3 2 0.Page 214

Thus , just as stated in the verbal description of the fundamental insight , the coefficients of the

Thus , just as stated in the verbal description of the fundamental insight , the coefficients of the

**slack**variables in the new tableau do indeed provide a record of the algebraic operations performed .Page 484

The

The

**slack**for an activity is the difference between its latest finish time and its earliest finish time . In symbols ,**Slack**= LF – EF . ( Since LF – EF = LS – ES , either difference actually can be used to calculate**slack**. ) ...### 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