On Tuesday, March 28, 2017 at 1:45:54 PM UTC-4, kcrisman wrote: > > > > On Tuesday, March 28, 2017 at 10:15:19 AM UTC-4, Mjx121418 wrote: >> >> limit(harmonic_number(n)/n,n=+oo) >> >> >> <https://lh3.googleusercontent.com/-s1M0o8FGXyY/WNpb102hi4I/AAAAAAAAADU/7aPh3KaUnvMkC-XI0upFezdt4cLFKB3ewCLcB/s1600/%25E5%25B1%258F%25E5%25B9%2595%25E5%25BF%25AB%25E7%2585%25A7%2B2017-03-28%2B20.48.43.png> >> >> I think it is obvious that this limit should be 0, but why can't sage >> solve it? >> > > Harmonic number is probably not implemented in Maxima? However, Sympy can > do at least some limits with it - see > http://docs.sympy.org/dev/modules/functions/combinatorial.html#harmonic >
And it apparently can do this one, so indeed http://sagecell.sagemath.org/?z=eJwrSyzSUM9T1-TlysnMzSzRyEgsys3Py0yOzyvNTUot0sjT1M_TybPVzs_XScxJzy_KLMnItVUvrswtqFTXBAB-1RUT&lang=sage var('n') limit(harmonic_number(n)/n,n=+oo,algorithm='sympy') returns zero. See https://trac.sagemath.org/ticket/22700 for a related ticket. -- 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.
