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Re: New version of PowerSeries.m

• To: mathgroup@smc.vnet.net
• Subject: [mg11178] Re: [mg11124] New version of PowerSeries.m
• From: Daniel Lichtblau <danl@wolfram.com>
• Date: Wed, 25 Feb 1998 03:31:49 -0500
• References: <199802240240.VAA21733@smc.vnet.net.>

Nguyen N. Anh wrote:
> 
> Hello,
> 
> I've been using the PowerSeries package with Mathematica 2.2 and it's
> worked nice.
> 
> However, when I tried to run this package in Mathematica 3.0.1 it gave
> me error messages, and did not seem to work; e.g. PowerSeries[E^x,x]
> gave a wrong result.
> 
> I did download from Mathsource a 3.0 version of this package, but it
> appears that there are no changes with respect to the old version.
> 
> Has anyone been successful in runinng PowerSeries in Mathematica 3.0 ?
> 
> Best regards
> 
> Have a nice weekend
> 
> --
> Nguyen Nam Anh   Quebec, Canada
> E-mail: anh@chm.ulaval.ca
> WWW: http://promethium.chm.ulaval.ca/~anh/


I do not know whether or why PowerSeries does not work in 3.0.1. If it
is of any help, there is a Mathematica standard package RSolve that can
also find general terms for some series.

In[24]:= <<DiscreteMath`RSolve`

In[26]:=  SeriesTerm[E^x, {x,0,n}]
         1
Out[26]= --
         n!

Daniel Lichtblau
Wolfram Research

• References:
  • New version of PowerSeries.m
    • From: "Nguyen N. Anh" <anh@chm.ulaval.ca>