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dbcp
2007 Sep 07
1
'initial value not feasible' in constrOptim
...R manual and it is satisfied. In case that
this is a typo of the manual, I let ui=-ui and ci=-ci and try constrOptim
again but the same warning message pops up.
Could you please point me a way out of this?
I am actually trying to translate a fortran code to R and the function I
want to replace is DBCPOL, which used 'the complex method" described in
Nelder and Mead (1965) and Gill et al. (1981). I believe contrOptim is
better than it because it is newer, is it?
Best Wishes
Yuchen Luo
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