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Re: RE:Beginner--How to get a positive solution from Solve Command

  • To: mathgroup at smc.vnet.net
  • Subject: [mg67901] Re: RE:Beginner--How to get a positive solution from Solve Command
  • From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 12 Jul 2006 05:05:52 -0400 (EDT)
  • Organization: Uni Leipzig
  • References: <e8vu7p$t4d$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

if you dont't know what to do with x, you can bes 
sure

that I also don't know it but if you miss the 
x->any

rule you can add it with

Assuming[{c >= 0 && c <= 1},
f = Normal[Series[1 - c*ArcTan[x]/x, {x, 0, 2}]];
lst = x /. Solve[f == 0, x] // FullSimplify;
x -> # & /@ Select[lst, ! MatchQ[#, -1*_] &]
]
??

Regards

  Jens

<abdou.oumaima at hotmail.com> schrieb im Newsbeitrag 
news:e8vu7p$t4d$1 at smc.vnet.net...
| Hi Jens,
| Your code works perfectly but how to use the 
value of x please.
| Best regards
| Lian
|
| Link to the forum page for this post:
| 
http://www.mathematica-users.org/webMathematica/wiki/wiki.jsp?pageName=Special:Forum_ViewTopic&pid=11843#p11843
| Posted through http://www.mathematica-users.org 
[[postId=11843]]
|
| 



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