SOURCE-CODE

该文件中包含有常微分方程初值问题的四种数值解法，分别是：RK4法，AB4法，AB4_AM4预测矫正法和改进的AB4_AM4法(The document contains the initial value problem of ordinary differential equations of the four numerical method, namely: RK4 method, AB4 Act, AB4_AM4 forecast correction method and improved method AB4_AM4)

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ARMA模型谱估计 通过观测信号来观察信号的功率谱密度(ARMA model spectrum estimation)

放大器及数据转换器选择指南,放大器电路设计的好助手。(Amplifier and Data Converter Selection Guide, a good amplifier circuit design assistant.)

this code is one fuzzy inference system with 9 rulle that applied in the control system

此模块，是SVPWM仿真，山区判断，时间计算，PWM的产生各个部分组成。结果理想，可用于PMSM和PMLSM的控制中。(This module is SVPWM simulation, the sector judge, time calculations, the composition of each part of the PWM generation. Ideal results can be used for the control of PMSM and PMLSM.)

说明：  粒子滤波通过随机采样生成粒子，计算随机变量的后验分布(Particle filter generates particles by random sampling and calculates the posterior distribution of random variables.)

Highcharts-3.0.7的样例代码，特别试用，可供各位初学者参考和使用。(Highcharts SourceCode)

是一种用于含有隐变量（hidden variable）的概率参数模型的最大似然估计或极大后验概率估计的matlab算法。 (EM MATLAB)

最小二乘法是一种数学优化技术。它通过最小化误差的平方和寻找数据的最佳函数匹配。利用最小二乘法可以简便地求得未知的数据，并使得这些求得的数据与实际数据之间误差的平方和为最小。最小二乘法还可用于曲线拟合。其他一些优化问题也可通过最小化能量或最大化熵用最小二乘法来表达。(Least squares method is a mathematical optimization techniques. It matches by squaring and finding data to minimize the error of the best functions. Least square method can easily be obtained unknown data, and so these squared error between the obtained data and the actual data and the minimum. The least squares method can be used for curve fitting. Some other optimization problems can be expressed by the least squares method by minimizing or maximizing entropy energy.)