% besselfilter. Function to implement a bandpass Bessel Filter. % Inputs: % order: Number of poles in the filter. Scalar numeric value. % low: Lower frequency bound (Hz). Scalar numeric value. % high: Uppe

一份很好的布朗算例，由Furio Ercoless编写，适合初学者学习。(A simple example of brown dynamics simulation.)

Features Open source, GPL license. Written in python (and a bit of C++), supports Linux, Windows, macOS/OSX. Support of most VASP file formats. Displays structure, unitcell, supercell, charge/probability/spin density, local potential, forces, vel