本文根据无标度区的ln r - ln C (r ) 曲线特点，提出了一种基于二阶导数的自动识别方法，计算量适中，能够准确地自动识别无标度区。-The numerical results show that the scal-ing region can be identified accurately and automatically by this method.

无标度网络简介 生成原则 matlab程序代码以及最终成图plot-Introduction to generate scale-free network matlab code principles and ultimately into the chart plot

无标度网络极其图形，构建无标度网络极其画图程序-Scale-free networks and graphic