Hi all.
I guess not so many people are using Prolog for numerical optimization
problems. For the few amongst you trying to minimize a function
f(x1, ... , xn)
in YAP: There is help. :)
I just finished a small interface to libLBFGS which is a fast C
library to perform this task. All you have to do is, provide a
predicate which calculates the function value F(X) as well as the
gradient vector and then you let libLBFGS do the rest for you.
YAP-LBFGS is a module providing the functionality of libLBFGS within
YAP. It's tested and works nicely under Mac OS and also (if you're
willing to change the Make file) under Linux.
If you're interested have a look at
http://www.cs.kuleuven.be/~bernd/yap-lbfgs/In case you find bugs or have questions, send me a mail.
Kind Regards
Bernd
-------------------------------------------------------------------------------
Bernd Gutmann <
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Dept. of Computer Science
Katholieke Universiteit Leuven
Phone: +32 16 32 7576
http://www.cs.kuleuven.be/~bernd-------------------------------------------------------------------------------
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