On Friday, June 30, 2017 at 9:21:18 AM UTC+2, HG wrote: > > http://arachnoid.com/sage/differential1.html > > ValueError: Variable 't' not found > > If you look at that arachnoid webpage you'll find this: var('r c t')
Without defining a variable you cannot use it, even if it's bound. Regards, -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
