I am sorry about the language. There is stress and fatigue on my end, some unrelated to Sympy, but also a lot due to CAS software and open-source software including Sympy. Sympy's documentation deficiencies have cost me months, and that's serious and I'm trying to make that point. I think releasing poorly documented software is uncivil. I think you were uncivil before I was. But, you're the mod, so I will be civil.
On Mon, Aug 24, 2020 at 1:41 PM Aaron Meurer <[email protected]> wrote: > Please keep discussions on this mailing list civil. Everyone who posts > on this list is expected to follow the SymPy code of conduct > https://github.com/sympy/sympy/blob/master/CODE_OF_CONDUCT.md. > > Convergence conditions returned by summation() and integrate() are not > guaranteed to be tight. That is why the "otherwise" condition is the > unevaluated sum/integral. It is possible for values outside of the > given condition will still produce a convergent result. > > Aaron Meurer > > On Sun, Aug 23, 2020 at 10:02 PM first last <[email protected]> > wrote: > > > > There's a lot of literature about logic out there that no one who's > designed a CAS has read. A good CAS would take no more work to make than > the contemporary CAS's, which as a class are the worst made software I've > ever used extensively in my fifty years. Euclid wrote a crystal clear > manual 2,500 years ago, but you clowns couldn't manage it. > > > > On Sun, Aug 23, 2020 at 7:49 PM [email protected] < > [email protected]> wrote: > >> > >> This again: > >> > >> sympy.summation(sympy.S('z^k / k'), sympy.S('(k, 1, oo)')) > >> Piecewise((-log(1 - z), (z >= -1) & (z < 1)), (Sum(z**k/k, (k, 1, oo)), > True)) > >> > >> I don't know what ">=" and mean "<", since Sympy (a program about math) > was documented by a non-mathematician who neglected to define his > mathematical terms; but it looks a lot like Sympy is singling out a segment > of the real line instead of a disk in the complex plane. This program was > designed from the ground up by amateurs not up to the task. > >> > >> -- > >> You received this message because you are subscribed to a topic in the > Google Groups "sympy" group. > >> To unsubscribe from this topic, visit > https://groups.google.com/d/topic/sympy/28qmAIL3Xro/unsubscribe. > >> To unsubscribe from this group and all its topics, send an email to > [email protected]. > >> To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/e5896cd0-adf1-4447-94df-0c75b63c209an%40googlegroups.com > . > > > > -- > > You received this message because you are subscribed to the Google > Groups "sympy" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/CABc8mQWU2mkO2wOe_vHDdUJ8jP2ZJ7s_Rg1fY5cVyXBV-VmUgA%40mail.gmail.com > . > > -- > You received this message because you are subscribed to a topic in the > Google Groups "sympy" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/sympy/28qmAIL3Xro/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/CAKgW%3D6%2BNE2YV73De03xXUo7u3A%3D3Xun3Roh0P_285cJa-e3CzQ%40mail.gmail.com > . > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CABc8mQUCs0n_dqErNKrXpUJ%2BPYSwf2vrA2UD%3DEhfp62D7NxUHA%40mail.gmail.com.
