Operations Research and the Management Sciences-B: recent developments and applications |
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active constraint additive assessing attributes basic feasible solution branch and bound column conditional utility functions convergence convex current feasible solution decision maker defined descent direction discussed equality constraints equations evaluated example flexible tolerance flow amounts flow vector formulation go to step gradient greedy heuristic Hence heuristic algorithm in-tree arcs inequality constraints initial input iteration knapsack problem labels Lagrange multiplier line searches lower bound Mathematical Programming matrix MICHIGAN minimum MPSX mutual utility independence NETG Newton's method node price vector nonbasic nonlinear programming objective function optimization problem optimum solution out-of-tree arc parameter path preferences procedure programming problem PWRR quadratic satisfying scaling constants simplex solving spanning tree specified stage step length subset termination test problems theorem traveling salesman problem unconstrained Univac updating utility function vertex X₁ zero