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* AMPL: A Modeling Language for Mathematical Programming, 2nd Ed.
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AMPL and Language
AMPL, an acronym for " A Mathematical Programming Language ", is an algebraic modeling language for describing and solving high-complexity problems for large-scale mathematical computation ( i. e. large-scale optimization and scheduling-type problems ).
AMPL and for
* AMPL Solver Library, an open-source library for reading nl files and performing automatic differentiation
According to the NEOS statistics AMPL is the most popular format for representing mathematical programming problems.
Procedures and control flow statements are available in AMPL for
AMPL is available for many popular 32-and 64-bit platforms including Linux, Mac OS X and Windows.
AMPL and .
He is also coauthor of the AWK and AMPL programming languages.
Most NEOS solvers accept input in the AMPL modeling language.
* AMPL module files.
* Brian Kernighan, co-author of the first book on the C programming language with Dennis Ritchie, coauthor of the AWK and AMPL programming languages.
Problems can be modeled in the language GNU MathProg which shares many parts of the syntax with AMPL and solved with standalone solver GLPSOL.
* Version 4. 0 replaced GLPK / L by the GNU MathProg modeling language, which is a subset of the AMPL modeling language.
AMPL supports dozens of solvers, both open source and commercial, including CBC, CPLEX, FortMP, Gurobi, MINOS, IPOPT, SNOPT and KNITRO.
AMPL is used by more than a hundred corporate clients.
One particular advantage of AMPL is the similarity of its syntax to the mathematical notation of optimization problems.
Many modern solvers available on the NEOS server hosted at the Argonne National Laboratory accept AMPL input.
AMPL features a mixture of declarative and imperative programming styles.
To support re-use and simplify construction of large-scale optimization problems, AMPL allows separation of model and data.
The translator itself is a proprietary software currently maintained by AMPL Optimization LLC.
However there exist several online services providing free modeling and solving facilities using AMPL.
The AMPL Solver Library ( ASL ) which allows to read the nl files and provides the automatic differentiation functionality is open-source.
It is used in many solvers to implement AMPL connection.
This table present significant steps in AMPL history.
The CPLEX Optimizer is accessible through independent modeling systems such as AIMMS, AMPL, GAMS, MPL, OpenOpt, OptimJ and TOMLAB.
For example, according to the NEOS server statistics in January 2011 less than 1 % of submissions were in MPS form compared to 59. 4 % of AMPL and 29. 7 % of GAMS submissions.
Modeling and Language
The notation aspect of the Booch method has now been superseded by the Unified Modeling Language ( UML ), which features graphical elements from the Booch method along with elements from the object-modeling technique ( OMT ) and object-oriented software engineering ( OOSE ).
The Unified Modeling Language has support for sequence diagrams.
Dia has special objects to help draw entity-relationship models ( tedia2sql can be used to create the SQL DDL ), Unified Modeling Language ( UML ) diagrams, flowcharts, network diagrams, and simple electrical circuits.
* Event ( UML ), in Unified Modeling Language, a notable occurrence at a particular point in time
These flowcharts often are based on the Unified Modeling Language.
* Node ( UML ), the representation of a computational device in the Unified Modeling Language
OMG evolved towards modeling standards by creating the standard for Unified Modeling Language ( UML ) followed by related standards for
Systems Modeling Language ( SysML ), a modeling language based on UML for use in Systems Engineering, has been standardized in collaboration with INCOSE.
Category: Unified Modeling Language
* Object Management Group, the consortium responsible for CORBA ( Common Object Request Broker Architecture ), Unified Modeling Language ( UML ), and Model-Driven Architecture ( MDA )
Object Modeling Language is a modeling language based on a standardized set of symbols and ways of arranging them to model ( part of ) an object oriented software design or system design.
The third generation consists of credible attempts at this single industry-standard language, with Unified Modeling Language standardizing the method was recognized, and the languages developed into notations that are suitable for a wide range of development methods.
* Unified Modeling Language UML
There is tool support for some programming languages ( e. g., the SPARK programming language ( a subset of Ada ) and the Java Modeling Language — JML — using ESC / Java and ESC / Java2, Frama-c WP ( weakest precondition ) plugin for the C language extended with ACSL ( ANSI / ISO C Specification Language ) ).
Unified Modeling Language ( UML ) is a standardized general-purpose modeling language in the field of object-oriented software engineering.
In 1996, Rational concluded that the abundance of modeling languages was slowing the adoption of object technology, so repositioning the work on a unified method, they tasked the Three Amigos with the development of a non-proprietary Unified Modeling Language.
Under the technical leadership of the Three Amigos, an international consortium called the UML Partners was organized in 1996 to complete the Unified Modeling Language ( UML ) specification, and propose it as a response to the OMG RFP.
The Unified Modeling Language is an international standard:
: ISO / IEC 19501: 2005 Information technology – Open Distributed Processing – Unified Modeling Language ( UML ) Version 1. 4. 2
The Object Management Group ( OMG ) has developed a metamodeling architecture to define the Unified Modeling Language ( UML ), called the Meta-Object Facility ( MOF ).
* Glossary of Unified Modeling Language terms
* Understanding the Unified Modeling Language ( UML ) – Introductory article for UML.
af: Unified Modeling Language
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