MEASURE - short for Master Equation Automatic Solver
for Unimolecular REactions - is a tool for estimating
pressure-dependent phenomenological rate coefficients 
for
unimolecular reaction networks of arbitrary complexity. The approach is to
first generate a detailed model of the reaction network using the
one-dimensional master equation, then apply one of several available model
reduction methods of varying accuracy, speed, and robustness to simplify the
detailed model into a set of phenomenological rate coefficients. The result
is a set of functions suitable for use in chemical reaction
mechanisms.
MEASURE was originally developed by Joshua W. Allen under the tutelage of Prof. William H. Green in the Department of Chemical Engineering at the Massachusetts Institute of Technology. Its original purpose was to be a component of the automatic reaction mechanism generation software RMG. Since then it has also been adapted as a standalone package useful for investigating individual reaction networks in greater detail.
MEASURE is written in the Python programming language to facilitate ease of development, installation, and use. Certain computationally-intensive procedures have been adapted to the Cython programming language in order to improve the execution time.
MEASURE is provided as free, open source code under the terms of the MIT/X11 License. The full, official license is reproduced below:
Copyright (c) 2010 by Joshua W. Allen (jwallen@mit.edu).
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the 'Software'),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
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