Duncan Murdoch wrote:
On 01/01/2010 11:45 PM, Erin Hodgess wrote:
Dear R People:
I know that you can use "optim" for a function with several parameters.
Is there an equivalent for 2 functions, please? Or should I put
together a finite difference type of matrix, etc., please?
What is the goal? optim optimizes a scalar value. If you have a length
2 vector to "optimize", what does that mean?
Just a guess: If you want to optimize a 2 dim vector, you are probably
doing some multi criterial optimization and you are looking for pareto
optimality, right?
In that case, you might be interested in package "mco" for "Multi
criteria optimization algorithms and related functions"
Best wishes,
Uwe
Duncan Murdoch
Thanks,
Happy New Year,
Erin
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