On 09-07-2011 15:51, Part Marty wrote:
> Please tell me that.
>
> (%i1)f:z*exp(1/z);
> residue(f,z,0);
> f2:taylor(f,[z,0,5,'asymp]);
> (%o1) z*%e^(1/z)
> (%o2) 0
> (%o3)/T/ z+1+1/(2*z)+1/(6*z^2)+1/(24*z^3)+1/(120*z^4)+1/(720*z^5)+...
>
> I think the residue of the expression "/f" is 1/2./
> Why not ?
Yes, the residue is 1/2. This seems to be a Maxima bug. And not a new one:
https://bugs.launchpad.net/ubuntu/+source/maxima/+bug/323221
Best regards,
Jose Carlos Santos