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– Glossary - An alphabetically list of GAMS terms.
– The GAMS Model Library - Introduction of GAMS Model Library.
– The GAMS Call - The list and detailed description of GAMS command line parameters.
– Dollar Control Options - The list and detailed description of dollar control options.
– The Option Statement - The list and detailed description of options.
– The Save and Restart Feature - The GAMS save and restart feature and the work file.
– Secure Work Files - The access control command, its usage, and obfuscated work files.
– Compressed and Encrypted Input Files - The encryption, compression and decompression of GAMS input files.
– The Grid and Multi-Threading Solve Facility - The basic concepts and Grid Features.
– Extrinsic Functions - The extrinsic function library and comparison with external equations.
– External Equations - A facility for connecting code written in different programming languages to equations and
variables in a GAMS model.
– GAMS Return Codes - The structure of error codes, the return codes of the GAMS compiler and execution
system, and the driver return codes.
– GAMS Data eXchange (GDX) - GAMS Data eXchange (GDX) facilities and utilities for Binary Data Exchange.
– Data and Model Exchange with Other Applications - The different ways to exchange data and model between
GAMS and other applications.
* Data Exchange with ASCII Files
* Data Exchange with Excel
* Data Exchange with Databases
* Data Export to HTML and XML Files
* Data and Model Export to LaTeX
* Data Export to Gnuplot
* Data and Model Exchange with MPS files
* Data Exchange with NETGEN and GNETGEN - Network Problems
Model and Solve Statements
The word model has a very precise meaning in GAMS. It is simply a collection of equations. Like other GAMS entities, it
must be given a name in a declaration. The format of the declaration is the keyword model followed by the name of the
model, followed by a list of equation names enclosed in slashes. If all previously defined equations are to be included, you
can enter /all/ in place of the explicit list. In our example, there is one Model statement:
model transport /all/ ;
This statement may seem superfluous, but it is useful to advanced users who may create several models in one GAMS run. If
we were to use the explicit list rather than the shortcut /all/, the statement would be written as
model transport / cost, supply, demand / ;
The domains are omitted from the list since they are not part of the equation name. The list option is used when only a subset
of the existing equations comprises a specific model (or sub-model) being generated.
Once a model has been declared and assigned equations, we are ready to call the solver. This is done with a solve statement,
which in our example is written as
solve transport using lp minimizing z ;
OsiMosek
OsiXpress
PATHNLP
PATH
PYOMO
SBB
SCIP 3.2
SNOPT
SOPLEX 2.2
XA
XPRESS 28.01
全局--局部非线性优化求解套件
随机求解器,包括一个无限制版本的LINDOGLOBAL
成熟全局解决方案的MINLP求解器
在LINGO模型系统中使用求解器求解GAMS模型的链接
混合邻域搜索算法
GAMS线性回归求解器
MCP求解器
NLP求解器
大型LP/MIP加锥凸非线性规划系统
全局优化的多启动方法
使用其他GAMS NLP求解器把MPEC转换成NLP
全局优化的多头启动方法
Bare-Bone与CPLEX连接
Bare-Bone 与Gurobi连接
Bare-Bone与 Mosek 连接
Bare-Bone与 Xpress 连接
凸面问题的大规模NLP求解器
大规模MCP求解器
在PYOMO模型系统中使用求解器求解GAMS模型的链接
求解MINLP模型的分支定界算法
高性能约束整数规划求解器
基于NLP求解器的大规模SQP算法
高性能LP求解器
大规模LP/MIP求解器
高性能LP/MIP求解器
GAMS
GAMS专注于其核心竞争力:让用户创建可读性、可维护的模型,用好的求解方法解决任何问题。开放的体系结构
和多个数据接口允许与外部系统无缝通信。
模型、求解器、数据、平台和用户界面立层,便于切换求解器、使用多个数据集、在多个平台运行以及将GAMS
整合到现有的应用、结构和工作流中去。
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