Dear All,
I couple of weeks ago, Ive asked for a package recommendation for nonlinear
optimization. In my problem I have a fairly complicated non-linear objective
function subject to one non-linear equality constrain.
Ive been suggested to use the *Rdonlp2* package, but I did not get any
results after running the program for 5 hrs. Is it normal to run this type
of programs for hours? Also, Id like to ask the experts whether there is
any other alternative I could use to solve this. For example, can I define a
Lagrange function (add lambda as a parameter) and use optim() or any other
optimization function?
Many thanks in advance for your help.
Lars.
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