• MINTO

  • Referenced in 132 articles [sw04587]
  • automatic constraint classification, preprocessing, primal heuristics and constraint generation. Moreover, the user can enrich ... linear programs by managing active constraints. To be as flexible and powerful as possible when...
  • PSwarm

  • Referenced in 60 articles [sw00742]
  • this paper to handle general linear constraints. The poll step now incorporates positive generators ... tangent cone of the approximated active constraints, including a provision for the degenerate case...
  • ILOG SCHEDULE

  • Referenced in 61 articles [sw21243]
  • wide collection of scheduling constraints in terms of ’resources’ and ’activities’. ILOG SCHEDULE is based ... ILOG. SOLVER variables and constraints can be accessed from SCHEDULE activities and resources ... make use of SOLVER to represent specific constraints, and implement and combine the specific problem...
  • SQOPT

  • Referenced in 17 articles [sw07860]
  • function subject to both equality and inequality constraints. SQOPT may also be used for linear ... inequalities. SQOPT uses a two-phase, active-set, reduced-Hessian method. It is most efficient ... quadratic term, or the number of active constraints and bounds is nearly as large...
  • QPSchur

  • Referenced in 16 articles [sw06918]
  • Updates to the working set of active inequality constraints are facilitated using a dense Schur...
  • BL data set

  • Referenced in 25 articles [sw08330]
  • Cumulative Project Scheduling Problems. In recent years, constraint satisfaction techniques have been successfully applied ... each resource can execute at most one activity at a time. Less significant and less ... area of “cumulative” scheduling. Multiple constraint propagation algorithms have been developed for cumulative resources ... cumulative if many activities can effectively execute in parallel. New constraint propagation and problem decomposition...
  • isotone

  • Referenced in 28 articles [sw20811]
  • Pool-adjacent-violators algorithm (PAVA) and active set methods. In this paper we give ... separable convex function with simple chain constraints. Besides of general convex functions we extend existing ... programming problems with linear constraints we the develop a primal active set method to solve...
  • PPROJ

  • Referenced in 7 articles [sw21258]
  • SpaRSA) is used to approximately identify active constraints in the polyhedron, and the dual active...
  • Cardinal

  • Referenced in 10 articles [sw06999]
  • variables and set constraints, existing set constraint solvers are not adequate to handle a number ... problems, as they do not actively use important information about the cardinality of the sets ... rewriting rules on a constraint store and we illustrate its efficiency with experimental results ... efficiency, we generalized Cardinal to actively consider constraints over set functions other than cardinality...
  • CDOL

  • Referenced in 5 articles [sw02639]
  • expression of derived data, constraints, updates and active rules. The rule-based query language ... database with derived attributes and classes. The constraint sublanguage allows explicit declarative specification of integrity ... respect to the set of integrity constraints. Active rules in general are used to monitor ... manner in which the constraint, update and active rule sublanguages build on this declarative framework...
  • QPOPT

  • Referenced in 17 articles [sw07859]
  • general quadratic function subject to linear constraints and simple upper and lower bounds. QPOPT ... dead-point. A two-phase active-set method is used. The first phase minimizes ... most efficient when many constraints or bounds are active at the solution. QPOPT...
  • Gecode

  • Referenced in 60 articles [sw06272]
  • more than 70 constraints from the Global Constraint Catalog and many more ... layer; advanced branching heuristics (accumulated failure count, activity); many search engines (parallel, interactive graphical, restarts ... parts including reference documentation, implementations of global constraints, and examples are available as source code...
  • KNITRO

  • Referenced in 165 articles [sw00490]
  • effective for nonlinear regression, problems with complementarity constraints (MPCCs or MPECs), and mixed-integer programming ... Mathematica, MATLAB Microsoft Excel, and LabVIEW. Continuing active development and support ensures that KNITRO will...
  • QSPLINE

  • Referenced in 4 articles [sw07307]
  • convex quadratic programming problem with simple bound constraints can be reformulated as an unconstrained minimization ... also be considered as an implicit active-set method with two novel features ... Lagrange multipliers corresponding to active constraints at a generated optimal solution could be zero. That...
  • APOGEE

  • Referenced in 30 articles [sw08451]
  • into constraints. The pooling problems were optimized using a piecewise linear scheme that activates appropriate...
  • reducedLP

  • Referenced in 12 articles [sw04821]
  • linear program in standard form where the constraint matrix A is m×n, with ... most nearly active (or most violated) dual constraints at the current iterate, with...
  • QPSOL

  • Referenced in 7 articles [sw26106]
  • most efficient when many constraints or bounds are active at the solution. QPSOL treats...
  • DyLP

  • Referenced in 1 article [sw15632]
  • simplex attempts to work with an active constraint system which is a subset ... useful, and scans the full constraint system to activate variables and constraints which have become...
  • cumulativemm

  • Referenced in 3 articles [sw15628]
  • renewable resource constraints and GPRs in the context of multi-mode activities, respectively. Moreover, they ... GPRs, two without and one with our constraint handler gprecedencemm. Our computational results on instances ... activities show that the addition of this constraint handler significantly strengthens the SCIP-model. Moreover ... exact approach on instances with 50 activities when imposing time limits...
  • gprecedencemm

  • Referenced in 3 articles [sw15629]
  • renewable resource constraints and GPRs in the context of multi-mode activities, respectively. Moreover, they ... GPRs, two without and one with our constraint handler gprecedencemm. Our computational results on instances ... activities show that the addition of this constraint handler significantly strengthens the SCIP-model. Moreover ... exact approach on instances with 50 activities when imposing time limits...