Re: Pb with finding a residue
- To: mathgroup at smc.vnet.net
- Subject: [mg14691] Re: [mg14643] Pb with finding a residue
- From: Jurgen Tischer <jtischer at col2.telecom.com.co>
- Date: Sun, 8 Nov 1998 21:15:49 -0500
- Organization: Universidad del Valle
- References: <199811070709.CAA01810@smc.vnet.net.>
- Sender: owner-wri-mathgroup at wolfram.com
Hi Eric,
if you load Utilities`Notation` and Symbolize E_{n12} before using it as
a variable it should work.
Jurgen
Eric Le Bigot wrote:
>
> Hello,
>
> Mathematica fails to find a residue in some very simple cases, and I
> would be very glad if someone could tell me how Mathematica can find
> residues in such cases. The problem can be easily seen in the two
> following lines:
>
> \!\(Residue[1\/\(z\_12 - a\), {z\_12, a}]\)
>
> \!\(Residue[
> 1\/\(z\_12 - \((\(I\ E\_n12\)\/\(-I\))\)\), {z\_12,
> \((\(I\ E\_n12\)\/\(-I\))\)}]\)
>
> The two cases are simple and only the first one is successfully computed
> by Mathematica. The problem is that I need a *general* procedure that
> would allow correct computation in any such simple cases.
>
> Any help would be appreciated...
>
> EOL
>
> --
> -------------------------------------------------------------------------------
> Eric-Olivier LE BIGOT (EOL)
>
> Laboratoire KASTLER-BROSSEL, Case 74
- References:
- Pb with finding a residue
- From: lebigot@ens.fr (Eric Le Bigot)
- Pb with finding a residue