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频率域建模，根据类型分为面向模拟滤波器的s域内建模和面向数字滤波器的z域内建模。 (Frequency domain modeling, according to the type of analog filters into the s-oriented domain modeling and digital filter z-oriented domain modeling.)

Code matlad for root equation by some methods

说明：  GM(1,1)的程序，要用就下啥，可以预测的，里面有详细的说明，很容易看懂的！(GM (1,1) procedures, to use on the next receivers, and can be predicted, there are detailed explanations, it is easy to read!)

惩罚函数法求函数的最小值，包括建立罚函数，牛顿法求最小值(Penalty function method to find the minimum value of the function, including the establishment of the penalty function, Newton' s method for the minimum)

说明：  计算数组平均值，以求平均电流，进行异步电机驱动系统逆变器故障检测(Calculate the average value of the array to get the average current and detect the fault of the inverters in the asynchronous motor drive system)

基于MATLAB的电力系统潮流计算程序设计的5节点极坐标牛顿－拉夫逊法潮流计算(5-node design based on MATLAB power flow calculation program polar coordinates Newton- Raphson power flow calculation)

self information and entropy

采用带宽为3，中心频率为3的复morlet小波对示例信号进行了分析，并绘出时频图。(Using bandwidth of 3, center frequency is 3 complex morlet wavelet to sample signal is analyzed, and draw the time-frequency diagrams.)

matlab实现的SEP路由算法，别的地方下载的，供大家参考(Matlab routing algorithm of SEP, other place downloaded, for your reference)

it describes the image analysis using matlab