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这是具有功率因数校正的开关电源的MATLAB/SIMULINK仿真模型，希望对有用的人，有所帮助！(this is a simulink model of power supply with PFC, which is useful for those who study on this!)

in this package are the programs needed to solve any initial value differential problem.

图像分割的方法有许多种，其中阈值分割的方法很常用，提供一种基于otsu算法的图像分割方法，很实用。(There are many kinds of method of image segmentation, threshold segmentation method is commonly used, provide a method of image segmentation based on otsu algorithm is very practical)

a perimater time ca for quen bee problem

在盲辨识系统中，非常关键的是如何获得最好的辨识效果，这里采用了多种方法，通过系统建模，并比较方法(In blind identification system is critical to identify how to get the best effect, this uses a variety of ways, through system modeling, and comparison)

MATLAB 偏最小二乘回归的工具箱，全面的偏最小二乘分析(pls matlab)

基于matlab开发环境，求曲线的峰峰值，以及峰峰值所对应的时刻。(Based on the development environment of matlab, get fengfeng value for the curve, and the moment corresponding to the fengfeng value. moment. )

该程序时用于做图像分割源代码，应用水平集方法的，速度很快的一种方法(The program used to do image segmentation source code, application level set method, a method of fast)

matlab实现离散快速傅里叶变化，并画图(matlab discrete fast Fourier transform, and drawing)

matlab 学会如何使用矩阵运算函数和数组运算函数,注意区分矩阵和数组的差别，特别是运算符的差别 了解多项式的创建方法和基本运算(Learn how to use matlab matrix operation function and array operation function, pay attention to the difference of discernibility matrix and array, especially the difference of the operator Understanding of the creation method and the basic computing polynomials)