Re: Re: Poles and Complex Factoring
- To: mathgroup at smc.vnet.net
- Subject: [mg52102] Re: [mg52097] Re: [mg6011] Poles and Complex Factoring
- From: "yehuda ben-shimol" <benshimo at bgu.ac.il>
- Date: Thu, 11 Nov 2004 04:52:01 -0500 (EST)
- References: <200411100946.EAA11299@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Use the GaussianIntegers option Factor[ x^2 + 2x + 10,GaussianIntegers->True ] and get ((1-3 I)+x) ((1+3 I)+x) yehuda -------Original Message------- From: bokat To: mathgroup at smc.vnet.net Subject: [mg52102] [mg52097] Re: [mg6011] Poles and Complex Factoring the complex factoring is wrong On 11 Feb 1997 01:29:40 -0500, peter wrote: >Dear All, > >I know how to calculate the residue of a fuction using Mathematica, but how can I >use Mathematica to calculate the order of a complex pole? > >It would also be nice for Mathematica to tell me if a particular singularity is an >essential singularity, removable singularity or a pole...but this is not >necessary; just icing on the cake. > >Also, is there a way to factor polynomials with imaginary roots? >Something like: > > Factor[ x^2 + 2x + 10 ] = (x - 1 + 4.5 I)(x - 1 - 4.5 I) > >Much thanks in advance! > >Peter >
- References:
- Re: Poles and Complex Factoring
- From: bokat02@hotmail.com (bokat)
- Re: Poles and Complex Factoring