[R] solving system of equations involving non-linearities

Berend Hasselman bhh at xs4all.nl
Thu Aug 6 21:44:37 CEST 2009




Ravi Varadhan wrote:
> 
> You have two options:
> 
> 1.  The `BBsolve' function in the "BB" package to solve this system of 3
> equations.
> 2.  Try `nleqslv' function in the "nleqslv" package.
> 
> These would work even if the residual is not zero.
> 

I hope so but I have some doubts.
>From the original question I get the impression that this is more a
nonlinear least squares problem.

I'ld certainly also take a look at optim and other optimisation routines
(nlm, BBoptim,...).
Have a look in the Task Views: Optimization on CRAN.

Berend
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