Using GAMS Data Exchange or GDX Files

GAMS can read or write something called a GDX file.  The name GDX is an acronym for GAMS Data eXchange files.  A GDX file is a platform independent, binary file that can contain information regarding sets, parameters, variables and equations.  Among other usages GDX files can be used to prepare data for a GAMS model, pass results of a GAMS model into different programs, and pass results into GAMS from different programs.  Additional information may be found in the GAMS document GDX facilities in GAMS at GAMS.

Creating a GDX file in GAMS

Inputting data from a GDX file into GAMS

General notes on GDX files

Identifying contents of a GDX file

Using GDX files to interface with other programs

Compressed GDX files