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From: Peter A on 19 Mar 2010 23:22
Hi I am trying to find the better function in SAS to do a nonlinear
optimization function similar to the one using the optim function with
the BFGS method for the R software which allows defining upper and
lower bonds .
From: wolfgang on 21 Mar 2010 05:41
On Mar 19, 11:22 pm, Peter A <qaws...(a)gmail.com> wrote:
> Hi I am trying to find the better function in SAS to do a nonlinear
> optimization function similar to the one using the optim function with
> the BFGS method for the R software which allows defining upper and
> lower bonds .

PROC NLP in SAS/OR, use the TECH= option and you can have BFGS
which permits you to specify lower and upper bounds.
Wolfgang
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