Dear Volker, importing Sum from sage.numerical.mip and replacing all occurrences of sum with Sum fixed the problem of the long running times, thanks a lot!
Such important information should be in the docs, a naive user like I am never would have found that out! All the best Peter Mueller -- You received this message because you are subscribed to the Google Groups "sage-support" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support?hl=en.
