Hello, it requires the tides package (spkg) to be installed first of all. In a console, try 'sage -i tides' and it should work.
Olivier Le jeu. 16 avr. 2020 à 17:54, Toan T Nguyen <nguyenthet...@gmail.com> a écrit : > Thank you. It's an easy problem to reproduce. You can cut-paste that code > into the official online Sage Cell Server > > https://sagecell.sagemath.org/ > > and see for yourself what I meant. > > Best regards > > Toan > > On Thursday, April 16, 2020 at 10:17:47 PM UTC+7, vdelecroix wrote: >> >> Hi, >> >> What do you mean by crash? Could you copy paste the *full* traceback >> that you obtain? >> >> Le 16/04/2020 à 17:04, Toan T Nguyen a écrit : >> > Hi all, >> > >> > I'm trying to solve a system of 1st order ODE using >> desolve_tides_mpfr() >> > arbitrary precision module. My script crashes at the external gcc call. >> > So I try this very simple example I found from a tutorial in a website. >> It >> > also crashes at the same gcc call. I test it in the SageMath online >> cell >> > server, it crashes as well, so it's not just my code or my setup. >> > Could somebody help with this example? Is this a bug, or the script is >> > wrong? >> > >> > Thank you >> > >> > Toan >> > >> > var('t,x,y,z') >> > s = 10 >> > r = 28 >> > b = 8/3 >> > f(t,x,y,z)= [s*(y-x),x*(r-z)-y,x*y-b*z] >> > x0 = >> > >> -13.7636106821342005250144010543616538641008648540923684535378642921202827747268115852940239346395038284 >> >> > y0 = >> > >> -19.5787519424517955388380414460095588661142400534276438649791334295426354746147526415973165506704676171 >> >> > z0 = 27 >> > T = >> > >> 15.586522107161747275678702092126960705284805489972439358895215783190198756258880854355851082660142374 >> >> > sol = desolve_tides_mpfr(f, [x0, y0, z0],0 , T, T, 1e-100, 1e-100, 100) >> # >> > optional - tides >> > print(sol) >> > >> > -- > 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/ba0eed69-0a08-4616-a27f-0c4a085f91ca%40googlegroups.com > <https://groups.google.com/d/msgid/sage-support/ba0eed69-0a08-4616-a27f-0c4a085f91ca%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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/CAJJbjsCuMUM%3DVPcK23LcFT70KuaO8h4myhbyoX_YzMtQEXuNeg%40mail.gmail.com.
