首先介绍差分格式，然后数值模拟非线性罗斯贝波扰动能量的演变，给出流场和扰动能量演变的示意图-Numerical method is to be used to investigate the evolutions of linear and nonliear Rossby wave of middle-high latitude in different seasons under the actual basic flow, we mainly discuss the evolutions o

LAX一维激波管，利用LAX差分格式解一维激波管问题-LAX one-dimensional shock tube

椭圆型方程五点差分格式程序，非常简单及使用-Elliptic equations five-point difference scheme program is very simple and use