McCarl GAMS Related Software Version 0

Undocumented Features and Usage Tips

This table will lead to the requested section of a longer document based upon the Index of Tips. If a command is selected from the Index of Commands, it will lead to the section where the command is explained. If you have any questions, please email me.

Index of Tips	Index of Commands
Use a Small Model	PROFILE
Avoiding Excessive Execution Time and Memory Use Root causes Time for statement execution and cases generated Memory use dumps	PROFILETOL
	DUMPSYM
	MEMSTAT
	PRESOLVE
Problems with Presolves	OPT
Unexpected Failures	RESLIM
Option Files	ITERLIM
Problems with PC's	CODEX
Bad Model Results Stuck or excessively iterating models Unbounded Infeasible Optimal but unrealistic	OPTION FILES
	OPTFILE
	NONOPT
	GAMSCHK
	INCLUDE
Inconveniences	BATINCLUDE
External File Inclusion	SAMEAS
Scaling	DIAG
Matching Set Elements	GAMSBAS
Advanced Basis	SAVE/RESTART
Save/Restart	XSAVE
Report Writing Using optimal solution information in reports Reformatting output Item ordering Merge and replace difficulties	PUT
	SOLVEOPT=REPLACE
	$OFFLISTING
	$ONLISTING
	LIMROW
Output Control - Making the OUTPUT Fancier	LIMCOL
Restricting the Amount of Output	$OFFSYMLIST
Model Optimality Status	OFFSYMXREF
Putting Slack Variable Information in the Output	SOLPRINT
Gaining Ranging Information	MODELSTAT
Finding Out More About the File Structure	SOLSLACK
	POSTOPT
	GAMSMAP

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email: mccarl@tamu.edu
Last modified on May 23,1996