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 94
... maximize Z = −x1 + x2 , does the model have an optimal solution ? If so , find it . If not , explain why not . ( c ) Repeat part ( b ) when the objective is to maximize Z = x [ X2 . ( d ) For objective functions where this model has no ...
... maximize Z = −x1 + x2 , does the model have an optimal solution ? If so , find it . If not , explain why not . ( c ) Repeat part ( b ) when the objective is to maximize Z = x [ X2 . ( d ) For objective functions where this model has no ...
Page 173
... maximize the total profit from the two activi- ary equations that it satisfies . Maximize 4.7-7 . Consider the following problem . Z = ( c ) For each CPF solution , use this pair of constraint boundary equations to solve algebraically ...
... maximize the total profit from the two activi- ary equations that it satisfies . Maximize 4.7-7 . Consider the following problem . Z = ( c ) For each CPF solution , use this pair of constraint boundary equations to solve algebraically ...
Page 176
... Maximize Z = 2x1 + 3x2 , subject to and x1 + 2x2 ≤ 30 x1 + x2 ≤ 20 X2 ≥ 0 . 4.4-6 . Consider the following problem . Maximize Z = 2x1 + 4x2 + 3x3 , subject to 3x1 + 4x2 + 2x3 ≤ 60 2x1 + x2 + 2x3 ≤40 x1 + 3x2 + 2x3 ≤ 80 x2 ≥ 0 ...
... Maximize Z = 2x1 + 3x2 , subject to and x1 + 2x2 ≤ 30 x1 + x2 ≤ 20 X2 ≥ 0 . 4.4-6 . Consider the following problem . Maximize Z = 2x1 + 4x2 + 3x3 , subject to 3x1 + 4x2 + 2x3 ≤ 60 2x1 + x2 + 2x3 ≤40 x1 + 3x2 + 2x3 ≤ 80 x2 ≥ 0 ...
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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 corresponding cost Courseware CPF solution CPLEX decision variables 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 interior-point iteration leaving basic variable linear programming model linear programming problem LINGO LP relaxation lution Maximize subject 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 right-hand sides sensitivity analysis shadow prices simplex method slack variables solve the model Solver spreadsheet step subproblem surplus variables Table tion values weeks Wyndor Glass x₁ zero