This is now https://trac.sagemath.org/ticket/27311
(this is my first ticket, I hope everything is OK). On Sunday, 17 February 2019 12:28:47 UTC+1, Emmanuel Charpentier wrote: > > You are right. Did you file a ticket ? > > Le jeudi 14 février 2019 22:37:21 UTC+1, list...@gmail.com a écrit : >> >> >> Hello. >> >> I have found the following bug in limit. >> >> ┌────────────────────────────────────────────────────────────────────┐ >> >> │ SageMath version 8.6, Release Date: 2019-01-15 │ >> >> │ Using Python 2.7.15. Type "help()" for help. │ >> >> └────────────────────────────────────────────────────────────────────┘ >> >> sage: f=exp(-*2**x^*2*)-cos(*2**x);f >> >> -cos(2*x) + e^(-2*x^2) >> >> sage: g=x*(sin(x))^*3*;g >> >> x*sin(x)^3 >> >> sage: lim(f/g,x=*0*) # this is wrong >> >> und >> >> sage: lim(f/g,x=*0*,dir='-'),lim(f/g,x=*0*,dir='+') # the second result >> is wrong >> >> (4/3, +Infinity) >> >> sage: taylor(f/g,x,*0*,*3*) # this is right >> >> -26/45*x^2 + 4/3 >> >> sage: lim(f/x^*4*,x=*0*) # this is right too >> >> 4/3 >> >> sage: >> >> Any ideas? Thanks in advance. >> >> Guillermo >> > -- 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 https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
