Limitation regarding lazy constraints

Technote (FAQ)


Question

Can I implement lazy constraints from OPL Script?

Answer

This is currently not possible to add lazy constraints from OPL Script.

As an alternative you can use extending script functionality by using external JAVA calls.
From the Concert APIs you can also use IloCplex::LazyConstraintCallbackI/IloCplex::CutCallbackI (C++) or IloCplex.CutCallback (JAVA), or Cplex.CutCallback (.NET) to implement lazy constraints. You will find more information and examples of implementing callbacks in the documentation.


Cross Reference information
Segment Product Component Platform Version Edition
Business Integration IBM ILOG OPL-CPLEX-ODM Area:ILOG Script for OPL/OPL Script
Business Integration IBM ILOG OPL-CPLEX Developer Edition
Business Integration IBM ILOG OPL-CPLEX Analyst Studio
Business Integration IBM ILOG OPL-CPLEX Development Bundles

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Document information


More support for:

IBM ILOG CPLEX Optimization Studio
Area:ILOG Script for OPL/OPL Script

Software version:

12.2, 12.2.0.1

Operating system(s):

AIX, HP-UX, Linux, Mac OS, Solaris, Windows

Software edition:

All Editions

Reference #:

1457915

Modified date:

2011-07-18

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