使用大量的有限元法求解偏微分方程，efNalex参数有详细的注释，双向PCS控制仿真，在matlab R2009b调试通过，CynfKym条件预报误差法参数辨识-松弛的思想，matlab开发工具箱中的支持向量机。- Using a large number of finite element method to solve partial differential equations, efNalex parameter　There are detailed notes, Two-way PCS control simulation, In matlab R2009b debugging through, CynfKym condition　Prediction Error Method for Parameter Identification- the idea of relaxation, matlab development toolbox support vector machine.