讲述了Logistic方程（差分形式）的简单推导过程，易于理解。而后给出了不同参数时Logistic方程的敛散性的matlab仿真及分析-Described the Logistic equation (differential form) derived a simple process, easy to understand. Then the different parameters are given Logistic equation Convergence and Divergenc

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