GAMS Corporation is just in the process of releasing version 21.2 of GAMS. It is mainly a maintenance release but does include a beta version of a replacement for the GAMSBAS basis saving program. More details will follow soon.
Alex Meeraus has just turned 60. A small celebration is occurring in the near future and a related series of presentations will soon appear on the GAMS web site. If you would like to send in greetings please address them to birthday@gams.com.
Tom Rutherford and Paul van der Eijk just released a procedure for sorting arrays in GAMS. Details are available through the web page http://www.mpsge.org/gdxrank/.
A tuple (multi dimensional set) can be used as follows:
set link(i,j) linked areas;
link(i,j)$(supply(i) and demand(j) and distance(i,j))=yes;
shiplim(link(i,j)).. ship(i,j)=l=10;
where the tuple defines the i,j cases that will have a constraint
defined for them.
A workshop is being held in Washington on September 18 on Global Optimization. The workshop will introduce the recently released GAMS global solvers - BARON, LGO, OQNLP - and the MProbe model analyzer. Within this context, the general subject of global optimization and a wide range of its current and potential applications will also be reviewed.
This newsletter is not a product of GAMS Corporation although it is distributed with their cooperation.
September 8, 2003