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 >
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