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
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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
>
>
>