I've been implementing a wrapper to the 2011 Fortran version of
L-BFGS-B. In optim(), R uses a C translation of a Fortran version (the
version number does not appear to be documented by the original
authors). The authors of the original Fortran code have updated it and
published the reasons in
Prof J C Nash (U30A) writes:
I've been implementing a wrapper to the 2011 Fortran version of
L-BFGS-B. In optim(), R uses a C translation of a Fortran version (the
version number does not appear to be documented by the original
authors). The authors of the original Fortran code have
On 18 January 2015 at 09:03, Prof J C Nash (U30A) wrote:
| I've been implementing a wrapper to the 2011 Fortran version of
| L-BFGS-B. In optim(), R uses a C translation of a Fortran version (the
| version number does not appear to be documented by the original
| authors). The authors of the
Kurt pointed to the issue. Thanks. I did install r-recommended, but it
seems something went wrong at some point. A reinstall got rid of the
warnings.
Thanks to Dirk for his offer of help.
Now I'm still getting a namespace issue on the second run of an
optimization problem. However, I think I
