ffmpeg 是一个开源、功能强大的多媒体处理软件，可以实现对音频流、视频流的录制和转换。-ffmpeg is an open source, powerful multimedia processing software, which enables audio streaming, video streaming recording and conversion.

模拟二维BZ反应扩散模型，方法是用显式EULER法求解模型的偏微分方程组-Simulated two-dimensional BZ reaction-diffusion model, the method is to use explicit EULER method for solving partial differential equations model

The ouput is the TE/TM band structure (first five bands) along pricipal directions (G-X-M-G) of a square-lattice photonic crystal with unit cell consisting of a substrate of "epb" relative permittivity with circular rods(holes) of "epa" rel

// AHRS.c // S.O.H. Madgwick // 25th August 2010 // // Quaternion implementation of the DCM filter [Mayhony et al]. Incorporates the magnetic distortion // compensation algorithms from my filter [Madgwick] which eliminates the need for a re