gams:export_all_elements_of_parameter_including_zeros_from_gams_into_excel

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GAMS only generates entries in a GDX file for those parameters, which are not equal to Zero or to their default values. A Zero will not be stored. However, we can tell GAMS to store an `EPS`

(Epsilon) instead and instruct GDXXRW to use a Zero when writing the value for 'Epsilon'. Below is little example, which also shows an alternative approach for variables:

$eolcom # set i /i1*i10/; parameter x(i); variable y(i); x(i) = uniformint(0,1); y.m(i) = 1; #GAMS will now generate entries for all model attributes y.l(i) = x(i); x(i)$(not x(i)) = eps; # Assign Eps for x(i) = 0 Execute_Unload 'results.gdx',x,y; $onecho >param.txt EpsOut =0 par =x rng =a1 sq =n var =y rng =a4 $offecho Execute 'GDXXRW.EXE results.gdx @param.txt' ;

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gams/export_all_elements_of_parameter_including_zeros_from_gams_into_excel.1213708575.txt.gz ยท Last modified: 2008/06/17 15:16 by support