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Python/Cython wrapper for liblbfgs
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larsmans/pylbfgs
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This is a Python wrapper around Naoaki Okazaki (chokkan)'sliblbfgs libraryof quasi-Newton optimization routines (limited memory BFGS and OWL-QN).
This package aims to provide a cleaner interface to the LBFGS algorithmthan is currently available inSciPy,and to provide the OWL-QN algorithm to Python users.
To build PyLBFGS, runpython setup.py build_ext.
PyLBFGS is written inCython and requiressetuptools,NumPy, liblbfgs anda relatively recent Cython compiler to build (tested with 0.15.1).
Type:
python setup.py install
(optionally prefixed withsudo) to build and install PyLBFGS.
Type:
python setup.py build_ext -i
to build PyLBFGS in-place, i.e. without installing it.
To run the test suite, make sure you haveNose installed, and type:
nosetests tests/
PyLBFGS was written by Lars Buitinck.
Alexis Mignon submitted a patch for error handling.