There is a GPL utility that is packaged with quantum espresso called evp that I use for fitting the B-M equation of state.
-- Scott ________________________________ On Jun 12, 2010 3:46 PM, Руслан Жачук <zhac...@gmail.com> wrote: Dear Siesta users, does anybody has an utility to share which takes Ei(ai) as input and performs fitting to Murnaghan equation of state E(V) and reports E0, a0, B0? Regards Ruslan