LBFGS
Software for Largescale Unconstrained Optimization
LBFGS is a limitedmemory quasiNewton code for unconstrained optimization.
The code has been developed at the Optimization Center, a joint
venture of Argonne National Laboratory and Northwestern University.
Downloading and Installing LBFGS
You are welcome to grab the full Unix distribution, containing source code,
makefile, and user guide.
This software
is freely available for educational or commercial purposes. We expect that
all publications describing work using this software quote at least one
of the references given below. This software is released under the BSD License
CLICK HERE TO DOWNLOAD THE
LBFGS
DISTRIBUTION FILE
Save the gz file in a fresh subdirectory on your system. To install,
first type
gunzip lbfgs_um.tar.gz
to produce a file lbfgs_um.tar. Then, type
tar xvf lbfgs_um.tar
to have the source code, makefile and user guide put in the current directory.
Authors
Jorge Nocedal
References

J. Nocedal. Updating QuasiNewton Matrices with Limited Storage (1980),
Mathematics of Computation 35, pp. 773782.

D.C. Liu and J. Nocedal. On the Limited Memory Method for Large Scale Optimization
(1989), Mathematical Programming B, 45, 3, pp. 503528.
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