[R] how to use optim() or nlm() to solve three nonlinear equations
bhh at xs4all.nl
Tue Feb 2 12:31:32 CET 2010
Nai-Wei Chen wrote:
> I just know how to solve an eaquation by using optim() or nlm(). But, now,
> I have three nonlinear equations,
> how could we use optim() or nlm() to solveÂ a system of nonlinear
> equations in R?Â Thank you so much.
You don't use general optimize routines to solve a set of nonlinear
It is not efficient and it is not recommended.
There are two packages: nleqslv and BB, that you can use to solve non linear
Both are available on CRAN.
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