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MATLAB numerical analysis lecture note

说明：  VC和matlab的教程，好用，放心下载，希望对大家有帮助(VC, and matlab tutorial, easy to use, secure download, we want to help)

Methode Factorisation en matlab

绘制庞加莱截面图的程序。先通过solveLor.m来求出一系列点，然后代入Poincare_section 程序绘制庞加莱截面。 通过观察Poincare截面上截点的情况可以判断 是否发生混沌：当Poincare截面上有且只有一个不动点或少数离散点时，运动是周期的；当Poincare截面上是一封闭曲线时，运动是准周期的 当Poincare截面上是一些成片的具有分形结构的密集点时，运动便是混沌。 (Poincare section drawing program. First obtained by solveLor.m to a series of points, and then drawn into the program Poincare Poincare section. By observing the situation on the Poincare section cut points can determine whether chaos occurs: When there is only one fixed point or a few discrete points on the Poincare section, the motion is periodic When is a closed curve on the Poincare section, the motion is quasi- When is the point of having a dense fractal structure on some stretches of the Poincare section, the motion is chaotic period.)

腐蚀算法在边缘识别中的应用，具有较好的边缘识别能力。(edge corrosion identification algorithm in the application is on the brink of better recognition ability.)

DFA方法，检测非平稳时间序列的波动性，用的非常普遍的方法，一种快速计算方法(DFA method)

this program finds the number of zero crossings in a given signal.

风机光伏建模，能够很好的仿真风机或者光伏的随机出力的特性，应用simulink仿真(Fans photovoltaic modeling, simulation can be a good random fan or photovoltaic output characteristics, application simulink simulation)

MATLAB编写的图像DOG处理程序。处理生成图像的高斯差分图(DOG written in MATLAB image processing program. Image processing for generating the Gaussian difference image)

代码是matlab编写，有例图，可直接运行（注意修改路径）。主要用来检测桥面、路面裂纹，有详细函数功能说明和算法思想，实现了路面规则条纹背景的频率估计，采用频域滤波可有效去除路面图像接近估计频率的噪声，保留目标裂纹，实现了初步的检测功能，但是功能还不完善，可作Demo供大家参考。有兴趣的朋友可以逐步完善、移植，有兴趣的朋友请与我联系。(Matlab code is written, there is case diagram, can be run directly (Note to modify the path). Mainly used to detect bridge, road cracks, a detailed description and algorithms Function thinking to achieve a frequency of road rules striped background estimation, using frequency domain filtering can effectively remove the image close to estimate the frequency of road noise, keep cracking goal to achieve a preliminary detection function, but the function is not perfect, can be used for Demo for your reference. Interested friends can gradually improve, transplant, friends who are interested, please contact me.)