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The CPLEX Optimizer was named for the simplex method as implemented in the C programming language, although today it provides additional methods for mathematical programming and offers interfaces other than just C. It was originally developed by Robert E. Bixby and was offered commercially starting in 1988 by CPLEX Optimization Inc., which was acquired by ILOG in 1997 ; ILOG was subsequently acquired by IBM in January 2009.
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CPLEX and Optimizer
The IBM ILOG CPLEX Optimizer solves integer programming problems, very large linear programming problems using either primal or dual variants of the simplex method or the barrier interior point method, convex and non-convex quadratic programming problems, and convex quadratically constrained problems ( solved via second-order cone programming, or SOCP ).
The CPLEX Optimizer has a modeling layer called Concert that provides interfaces to the C ++, C #, and Java languages.
The CPLEX Optimizer is accessible through independent modeling systems such as AIMMS, AMPL, GAMS, MPL, OpenOpt, OptimJ and TOMLAB.
The full IBM ILOG CPLEX Optimization Studio consists of the CPLEX Optimizer for mathematical programming, the IBM ILOG CPLEX CP Optimizer for constraint programming, the Optimization Programming Language ( OPL ), and a tightly integrated IDE.
CPLEX and for
An open source competitor for the linear programming part of CPLEX is GLPK, a library of ANSI C routines for solving large scale linear programming problems using the revised simplex method.
CPLEX and programming
ECLiPSe interfaces to external solvers, in particular the COIN-OR, CPLEX ® and Xpress-MP linear and mixed-integer programming solvers.
CPLEX and .
Commercial optimizers such as CPLEX and Gurobi can solve large linear / nonlinear problems.
AMPL supports dozens of solvers, both open source and commercial, including CBC, CPLEX, FortMP, Gurobi, MINOS, IPOPT, SNOPT and KNITRO.
IBM ILOG CPLEX Optimization Studio ( often informally referred to simply as CPLEX ) is an optimization software package.
In 2004, the work on CPLEX earned the first INFORMS Impact Prize.
CPLEX continues to be actively developed under IBM.
Among these solvers are BARON, COIN solvers, CONOPT, CPLEX, DICOPT, GUROBI, MOSEK, SNOPT, and XPRESS.
Strangely, nothing in MPS format specifies the direction of optimization, and there is no standard " default " direction ; some LP solvers will maximize if not instructed otherwise, others will minimize ( CPLEX minimizes ), and still others put safety first and have no default and require a selection somewhere in a control program or by a calling parameter.
Optimizer and was
A fully compliant PL / S compiler was developed by Fujitsu Ltd in the late-1970s, using IBM's PL / I Optimizer compiler source code as a starting point.
The previous version of the H1 with the 6. 5L " Optimizer " turbo-diesel engine suffered from sluggish sales ; lack of power was one of the reasons for customer resistance.
Optimizer and for
At this point, the mainframe version of DB2 and the server version of DB2 were coded in entirely different languages ( PL / S for the mainframe and C ++ for the server ), but shared similar functionality and used a common architecture for SQL optimization: the Starburst Optimizer.
Some proprietary program optimizers such as the " COBOL Optimizer " developed by Capex Corporation in the mid-1970s for COBOL, actually took the unusual step of optimizing the Object code ( or binary file ) after normal compilation.
Among these were a variety of VRML tools, and a large model visualization system for CAD purposes called OpenGL Optimizer.
Finally, a stand-alone Interactive Optimizer executable is provided for debugging and other purposes.
Sales and marketing products such as the DUNS Market Identifier database, Optimizer, and D & B Professional Contacts provide sales and marketing professionals with business data for both prospecting and CRM activity.
The premium version now also includes a " Solution Optimizer " for direct setting of bounds and constraints in solving models for minimum, maximum, or specific conditions.
IBM Subsystem Device Driver ( SDD, formerly Data Path Optimizer ) is software available for multiple platforms, where the core component is a device driver designed to support the multipath I / O configuration requirements in IBM storage environments.
Optimizer and .
* WinZip Registry Optimizer: Windows registry cleaner / optimizer.
GCC gets a new Optimizer Framework.
Workopolis also in 2010 introduced The Employer Brand Optimizer to the recruiting market, leveraging their online recruitment experience to help companies with their employer branding.
It includes Registry Defragmenter, Registry Cleaners, Disk Cleaner, Disk Defragmenter, Startup Manager, Service Manager, Restore Center, System Optimizer, Process Viewer, and Performance Test.
It includes Norton Speed Disk, Norton Disk Doctor, Norton UnErase, Registry Restore, Registry Defragmenter, Registry Cleaner, Disk Cleaner, Disk Defragmenter, Startup Manager, Service Manager, Restore Center, System Optimizer, Process Viewer, and Performance Test.
Optimizer and by
The phase names of this PL / S compiler were the same as the corresponding phase names of the PL / I Optimizer compiler, with the initial " I " in the phase name being replaced by an initial " J ".
Optimizer and ;
Davidson and Fraser ; The Design and Application of a Retargetable Peephole Optimizer ; ToPLaS v2 ( 2 ) 191-202 ( April 1980 )
Optimizer and IBM
* IBM System Storage Multipath Subsystem Device Driver ( SDD ), formerly Data Path Optimizer
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Judge John B. Molinari was named chairman of the executive committee.
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