电力市场下确定无功源价值的方法探讨 因此提出了4种确定无功价值的方法：Vs法、PV曲线法、ERC法和Back．up法，分析了不同方法 的特点，最后以IEEE30节点系统为例进行了仿真计算，仿真结果表明无功源的价值取决于电网的结 构、无功源的位置以及系统的运行状态。-Electricity market to determine the source of the value of reactive power method is proposed to identify four k

Using a large number of finite element method to solve partial differential equations, Matching Pursuit and orthogonal matching pursuit, Using weighted model nodes in the network strength and weight are power law distribution.

The performance of the program has reached a high level, Calculation crosshairs diffraction image at different distances, Using weighted model nodes in the network strength and weight are power law distribution.

Energy entropy calculation, Using weighted model nodes in the network strength and weight are power law distribution, Jacobi iteration for solving linear equations class-based.

无标度网络模型（BA模型）的生成代码。基于幂律的产生机制(The generating code of the scale-free network model (BA model). Generation mechanism based on power law)