CPLEX

ILOG CPLEX (often informally referred to simply as CPLEX) is an optimization software package. It is named for the simplex method and the C programming language, although today it contains interior point methods and interfaces in the C++ , C#, and Java languages. It was originally developed by Robert E. Bixby and sold via CPLEX Optimization Inc., which was acquired by ILOG in 1997; ILOG was subsequently acquired by IBM in January 2009^[1]. CPLEX solves integer programming problems, very large^[2] linear programming problems, quadratic programming problems, and has recently added support for problems with convex quadratic constraints (solved via Second-order cone programming, or SOCP). It has a modeling layer called Concert and is also available with several modeling systems like AIMMS, AMPL, GAMS, MPL, OPL Development Studio, and TOMLAB.

In 2004, the work on CPLEX earned the first INFORMS Impact Prize.

References

^ IBM Completes Acquisition of ILOG {{citation}}: Text "[1]" ignored (help)
^ Mittelmann, H. D. (10 July 2007), Recent Benchmarks of Optimization Software, EURO XXII Prague, Czech Republic {{citation}}: Unknown parameter |published= ignored (help)CS1 maint: location missing publisher (link)

CPLEX home page
CPLEX is supported in the GLPK, AIMMS, AMPL, GAMS, MPL, OPL, and TOMLAB modeling systems

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