clutter

matlab最小二乘原理下的曲线拟合方法汇总：polyfit函数、“”命令、fminsearch函数、nlinfit函数。附上一个具体的例子：1900-2000年的总人口情况的曲线拟合。(matlab principle of least squares curve fitting method Summary: polyfit function, " " command, fminsearch a function, nlinfit function. Attach a specific example from 1900 to 2000, the total population of the curve fitting.)

利用前推回带法计算配电网潮流数据，以一个40节点网络为算例(Push back with the use of the former method to calculate the distribution power flow data, a 40-node network as an example)

用于分析输入信号的瞬时频率的程序，可通过调用改程序观察信号频率随时间的分布情况(used to analysis the instans frequency of the signal)

永磁同步电机(PMSM)电流转速双闭环PI控制，采用矢量控制（FOC）中的id 0方式，以空间矢量脉宽调制来实现磁链圆跟踪。对负载转矩进行交轴电流前馈以抑制外负载扰动。(Permanent Magnet Synchronous Motor (PMSM) current double closed loop speed PI control, vector control (FOC) of id 0 mode, space vector pulse width modulation to achieve flux circle track. Front axle load torque AC current fed to suppress external load disturbance.)

针对Zemax2003版，可以读取Zemax的光线追迹数据，即*.zrd文件便于后期处理；(this program is designed to read*.zrd file for zemax2003)

Matlab 80经典例子，从入门到精通，是初学者的首选(Matlab 80 examples)

matab矢量控制 用来计算PWM控制，该文件来自Ti公司的网站(matab )

说明：  数据挖掘算法，K-means聚类算法源代码，用于聚类分析(data mining algorithms, K-means clustering algorithm source code for the cluster analysis)

说明：  SVPWM仿真，在matlab里面画的仿真图，可以参考参考，学习学习。(SVPWM simulation, the simulation in matlab figure inside the painting, see reference, learning to learn.)

knn是一种分类算法，它是基于matlab的一种模式识别的经典算法，一般适用于样本个数较小的样本分类。(KNN, it is classification algorithm based on matlab a pattern recognition of the classic algorithm, generally applied in sample number of smaller sample classification. )