matlab_algorithms

说明：  在共梯度法中 只有当初值的选取靠近最优解时 迭代才会收敛 当远离时发散 且 当精度控制为0.1时可以实现 但设为0.01时就实现不了(numubrical)

实现图像的基本操作，可对图像进行一些简单的操作，比如图像增强，图像恢复等等(To achieve the basic operation of the image may be an image of some simple operations, such as image enhancement, image restoration, etc.)

无网格伽辽金法，主程序，结合以上传的前两个程序来使用，算杆的应力，和位移！(element-free Galerkin method, main program, a combination of the first two upload procedures to use, operator of stress and displacement.)

in this folder contains the import the picture and how to find the effects. how to read the image and how to show the images.

一个很有用的程序，音频信号通过LM386放大，小波包分析提取振动信号中的特征频率。( A very useful program, LM386 audio signal amplification, Wavelet packet analysis to extract vibration signal characteristic frequency.)

电力系统PQ潮流计算 基于直角坐标 注意输入数据文档的格式(PQ power system power flow calculation based on a Cartesian coordinate attention to the format of input data files)

求取信号的包络，信号的包络含有重要的调制信息，本程序给出了求取信号包络的方法(To strike a signal envelope, signal modulation envelope contains important information, this program gives way to strike a signal envelope)

calibration image whith matlab

说明：  非常好的MATLAB学习书籍，非常值得下载，一定能对用户有很大帮助。(MATLAB to learn a very good book, well worth downloading certainly of great help to users.)

光伏电池最大功率点跟踪方法的扰动观察法的s函数(S function of the method of maximum power point tracking of photovoltaic cells perturbation and observation method)