[Soplex] SoPlex zero variables omitted in result

Hartmut Henkel hartmut_henkel at gmx.de
Tue Aug 8 11:49:35 CEST 2023


Dear SoPlex team,

the result file of some soplex run on an .lp file here gives a sorted
list of result variables s1...s20 with values, but variable s13 is
missing in the list. The info at the end of the result file tells "All
other variables are zero...", so s13 = 0, which it should be, all fine.
But parsing this text file list into a table is a bit tricky, since at
the end the table for variables s* now has a gap, and the result file
does not plainly tell that there are 20 variables s* to be expected, so
it's not straight-forward to prime the s* table with zeros... It's
possible to work around it, yes, but my question is:

Is there some trick to let all variables appear in the result file, even
if their values are zero?

Best Regards
Hartmut


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