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gams:how_can_i_find_unused_symbols_in_my_gams_model [2007/08/14 08:57] external edit
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-====== How can I find unused symbols in my GAMS model? ====== 
-Q: //I'd like to find unused symbols in my GAMS models, e.g. sets and parameters that are declared but never used: not assigned to or referenced. ​ I can look at the $onsymxref output but is there something that just tells me the unused symbols?// 
-You can get that information from a symbol reference file. Add the command line option ''​rf=text'',​ where ''​text''​ is the name of your reference file to your GAMS command line. All symbol references will be written to this file.  
-If you use the GAMS IDE,  click on the line in your process window, which starts with  
-''​--- RefFile ..''  ​ 
-and you will get the contents of the reference file (here ''​trnsport.ref''​) nicely organized. The last tab (unused) shows the unused symbols. A double click on of the entries will get you to the corresponding ​ position in the source file.  
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