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基于鲍威尔法，现采用编程来计算最优解，matlab程序和简要说明文档。(Based on Powell method is used to calculate the optimal solution of programming, matlab program and a brief description of the document.)

语音处理资料大增送，包括原程序代码和仿真结果及其分析(Significant increase in voice processing data sent, including the original program code and Simulation Results and Analysis)

在matlab开发环境下实现对信号的经典功率谱估计(Classical Spectrum)

说明：  几个matlab解常微分方程的例子：验证齐次方程有形如1/(xM+yN)的积分因子；全微分方程；求方程的显式解和绘图；解出x的隐方程的解法；方程的隐式解(Several examples of matlab Ordinary Differential Equations: Homogeneous Equation physical verification, such as 1/(xM+ yN) of the integral factor the whole equation the explicit solution of Equation and drawings solve the implicit equation x Solution equation the implicit solution)

lingdo软件的基本使用方法。有详细的例子以及解释，帮助我们快速的掌握这个数学软件(lingdo the basic use of software. Detailed examples and explanations to help us to quickly grasp the mathematical software)

可以使用matlab中的simulink仿真出PWM波，从而有效的控制永磁同步电机四象限运行。(Can use matlab simulink simulation of the PWM wave, in order to effectively control the four-quadrant operation of the permanent magnet synchronous motor.)

IA_LD是用免疫优化算法（immune algorithm）解决物流配送中心选址（Logistics and Distribution）的问题。文件打开后运行IA_LD.m文件即可得到结果，代码中有详细注释，方便修改。运行示例已经保存为图片附在压缩包中。(IA_LD is immune optimization algorithm (immune algorithm) to solve the logistics distribution center location (Logistics and Distribution) problem. Run IA_LD.m file to get the file to open the result, the code has detailed notes, easy to modify. Run the sample has been saved as a picture attached to the compressed package.)

卡尔曼滤波程序，可以用去除噪声，非常好用。(Kalman filtering procedure can be used to remove noise.)

说明：  最近闲着没事用matlab做了一个日历，程序如下，请(Matlab recent idle nothing to do with a calendar, the following procedure, please)

实现了蓄电池的并网，其中包含了蓄电池模型、四象限变流器模型和控制器模型，控制器控制有功无功，实现蓄电池和交流系统间的功率交换(which contains the battery model, four-quadrant converter model and the controller model, the controller controls the active and reactive power to achieve the battery and AC power exchange between systems.)