On Wed, Feb 9 2022 at 20:49, Rodrigo Sambade Saá (< rodrigosambade...@gmail.com>) wrote:
> I swear now it's worth reviving this. > > A user on Math StackExchange found the steps > <https://math.stackexchange.com/a/4374202/702373> to integrate the > function. Now it's as simple as implementing it in Sage. > > Best wishes, > > Rodrigo > *Rodrigo Sambade* > rodrigosambade...@gmail.com > +34 608 030 077 > Let's take care of the environment. Think at least twice before printing > this e-mail: The environment is everyone's responsibility. > > El sáb, 24 ago 2019 a las 12:53, Rodrigo Sambade Saá (< > rodrigosambade...@gmail.com>) escribió: > >> Dear William, >> >> Sorry 🙏, the link is wrong. This is the correct >> one: |2*cos(5/8*sqrt(x)+1/2)/sqrt(x)| = >> sqrt(2+sqrt(2+sqrt(2+2*cos(5*sqrt(x)+4))))*x^(-1/2): >> https://www.wolframalpha.com/input/?i=%7C2*cos%285%2F8*sqrt%28x%29%2B1%2F2%29%2Fsqrt%28x%29%7C+%3D+sqrt%282%2Bsqrt%282%2Bsqrt%282%2B2*cos%285*sqrt%28x%29%2B4%29%29%29%29*x%5E%28-1%2F2%29 >> >> Best wishes, >> >> Rodrigo >> >> El sáb., 24 ago. 2019 12:35, Rodrigo Sambade Saá < >> rodrigosambade...@gmail.com> escribió: >> >>> Dear William, >>> >>> Andrew is wrong >>> <https://www.wolframalpha.com/input/?i=2*cos%285%2F8*sqrt%28x%29%2B1%2F2%29%2Fsqrt%28x%29+%3D+sqrt%282%2Bsqrt%282%2Bsqrt%282%2B2*cos%285*sqrt%28x%29%2B4%29%29%29%29*x%5E%28-1%2F2%29> >>> . >>> >>> Best wishes, >>> >>> Rodrigo >>> >>> El jue., 12 feb. 2015 a las 21:57, William Stein (<wst...@gmail.com>) >>> escribió: >>> >>>> On Thu, Feb 12, 2015 at 12:55 PM, R. Andrew Ohana >>>> <andrew.oh...@gmail.com> wrote: >>>> > It is wrong, but not as wrong as you make it out to be. Your function >>>> is f = >>>> > abs(h), where h = 2*cos(5/8*sqrt(x)+1/2)/sqrt(x). Rather that >>>> integrating f, >>>> > it seems to have integrated h. >>>> >>>> Andrew -- very good point! That's not nearly as bad as I made it out. >>>> Thanks, >>>> >>>> -- William >>>> >>>> > >>>> > -- >>>> > 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 sage-support+unsubscr...@googlegroups.com. >>>> > To post to this group, send email to sage-support@googlegroups.com. >>>> > Visit this group at http://groups.google.com/group/sage-support. >>>> > For more options, visit https://groups.google.com/d/optout. >>>> >>>> >>>> >>>> -- >>>> William (http://wstein.org) >>>> >>> -- 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 sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/CAHx8ZpCZqyNpyowCkiHECXTOTH93ys%3DzQfdxzZnJb4YhLF1j8g%40mail.gmail.com.
