[R] a nlm question

[Gabor Grothendieck]

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part about providing reproducible examples.

On Mon, Nov 3, 2008 at 8:10 AM, Jiang Peng <jp021 at sjtu.edu.cn> wrote:
>  Dear R listers,
>
>    I posted this problem several days ago but it seems nobody answered.
>
>    I use nlm to optimize a given function ,but it always generates the
> following warnings
>   "
>  Error in nlm(foo, theta.start) : non-finite value supplied by 'nlm'
>   "
>  I don't know why  ,can anybody give me some hints ?? thanks  in advance.
>
>  regards .
>
> _______________________
>
> Jiang Peng, Ph.D. Candidate
> Department of mathematics &
> Antai college of Economics and management
> Shanghai Jiao Tong University
> Address: Room 127, #3 Building, Xuhui Campus
> E-mail: jp021 at sjtu.edu.cn
>             jp021 at 126.com
> MSN: jp021 at hotmail.com
> iChat: mathfrog at mac.com
> Mobile: +86-138 168 780 95
>
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