On 10/14/2015 09:10 PM, Andrew Makhorin wrote: >> > Probably n should be limited, say, by 1000. Tspsol doesn't use column >> > generation, so the problem object includes *all* (n**2/2-n) > Must read ((n**2)-n)/2. > >> > binary >> > variables; e.g. for n = 1000 it is about 500,000 variables. >> > > I think n = 500 is a practical limit for tspsol
I had not problem solving the appended 2000 node problem (1999000 columns). I must admit it has a very "benign" structure. Best regards Heinrich Schuchardt
circle2000.tsp.gz
Description: GNU Zip compressed data
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