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RE: st: RE: How to solve a system of nonlinear inequalities in Stata


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: How to solve a system of nonlinear inequalities in Stata
Date   Thu, 8 Feb 2007 00:04:30 -0000

-nl- changed in Stata 9 and the FAQ reflects that change. 
So, you will need to get the equivalent Stata 8 code from
somewhere. 

The Statalist FAQ advises signalling if you are using
an out-of-date Stata; otherwise you may get advice you 
cannot follow up. For example, my comment about Mata
in this thread does not apply to you until you upgrade. 

Nick 
n.j.cox@durham.ac.uk 

Quang Nguyen
 
> Thanks to Rodrigo I found a very nice discussion on how Stata can be
> used to solve a nonlinear equation system, I replicated the example
> using Stata version 8. Howver, there was a nerror message when I run
> the following command:
> 
> nl faq @ y, parameters(A B C) initial(A 1 B 1 C 1)
> 
> I look at help for nl in stata, and change the command to:
> 
> nl faq  y, parameters(A B C) initial(A 1 B 1 C 1)
> 
> There is a message: "option at() required, nlfaq refused 
> query, rc=198"

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