Displaying 2 results from an estimated 2 matches for "grg2".
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arg2
2009 Sep 03
3
Rdonlp2 package question
...donlp2/, but now that is missing also. I sent an
email to the author but received no response.
Are there any alternatives for constrained nonlinear programming
problems among the active packages? I need something that will solve
the
same kinds of problems that, say, Excel Solver will do using the grg2
algorithm (or something similar).
Thanks
Richard Valliant
2003 Jul 15
7
Excel can do what R can't?????
Hi there
I thought this would be of particular interest to people using 'optim'
functions and perhaps people involved with R development.
I've been beaten down by R trying to get it to perform an optimization on a
mass-balance model. I've written the same program in excel, and using the
'solver' function, it comes up with an answer for my variables (p, ACT,
which