MATPOWER Version 5.1 20-Mar-2015 MATPOWER is a package of MATLAB(R) M-files for solving power flow and optimal power flow problems. It is intended as a simulation tool for researchers and educators that is easy to use and modify. MATPOWER is designed to give the best performance possible while keeping the code simple to understand and modify. It was initially developed as part of the PowerWeb project <http://www.pserc.cornell.edu/powerweb/>. MATPOWER can be downloaded from the MATPOWER home page: http://www.pserc.cornell.edu/matpower/ MATPOWER is covered by the 3-clause BSD License (see LICENSE for details).