Re: Removing Outer Braces
- To: mathgroup at smc.vnet.net
- Subject: [mg14343] Re: Removing Outer Braces
- From: "Allan Hayes" <hay at haystack.demon.co.uk>
- Date: Thu, 15 Oct 1998 00:28:47 -0400
- References: <6vup6j$8h7@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Dennis: FindRoot has attribute HoldAll. Try FindRoot[Eqn, Evaluate[Sequence @@ Guesslist]] Allan ---------------------- Allan Hayes Mathematica Training and Consulting www.haystack.demon.co.uk hay at haystack.demon.co.uk Voice: +44 (0)116 271 4198 Fax: +44 (0)870 164 0565 Dennis Benjamin wrote in message <6vup6j$8h7 at smc.vnet.net>... >Hi All: > > First off , thanks again to everyone who sent email answering my >previous question. > > I have constructed a list of initial guesses for FindRoot, this list >looks something like: > >GuessList={{RP[1],1.2,0.0,3},{RP[2],2.0,0.0,5.0},{RP[3],0.5,0.0,1.0}} > >although there are tens-hundreds of RP[n]. What I want to do is write > >FindRoot[Eqn,GuessList] > > >How do I remove the outer braces of GuessList in order to do this?I >found a solution to a similar problem in the MathGroup archives, > >FindRoot[Eqn,Apply[##&,Guesslist]] or FindRoot[Eqn, Sequence @@ >Guesslist] > >but neither seemed to work (Mathematica 3.01, Winows NT) > >Thankks in advance for any suggestions! > >Dennis > > >