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LKH 2.0.7 from website does not work properly anymore #136

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b-schubert opened this issue Jan 29, 2016 · 2 comments
Open

LKH 2.0.7 from website does not work properly anymore #136

b-schubert opened this issue Jan 29, 2016 · 2 comments
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@b-schubert
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It seems as if the author of LKH has changed the behaviour of the algorithms, which resulted in not writing a found TSP path if the initial solution could not be improved during the local search phase.

Don't know how to proceed. Work around would be:

-If approximation failed due to any reason, switch to expensive exact solving.

@mwalzer
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mwalzer commented Feb 1, 2016

Are they open to suggestions? Like reporting it again?

@georopon
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georopon commented Apr 7, 2019

I'm have same problem

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