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采用集中质量法求解水平成层场地的地震响应，其中包含newmark求解动力方程(Quality level of a centralized method for solving the seismic response of layered space, solving the dynamic equation which contains newmark)

基于Simulink的数字滤波器的级联结构实现仿真(The cascade structure of Simulink digital filter based on the realization of simulation )

The source code of extended Isogeometric analysis for modeling central cracks.

LMS算法计算信号功率和特征向量，并和其他几种算法做比较(LMS algorithm to calculate the signal power and the feature vector, and several other algorithms compare)

目录 1.图像反转 2 2.灰度线性变换 2 3.非线性变换 4 4.直方图均衡化 5 5. 线性平滑滤波器 6 6.中值滤波器 7 7.用Sobel算子和拉普拉斯对图像锐化： 8 8.梯度算子检测边缘 9 9.LOG算子检测边缘 11 10.Canny算子检测边 缘 12 11.边界跟踪 （bwtraceboundary函数） 13 12.Hough变换 14 13.直方图阈值法 16 14. 自动阈值法：Otsu法 18 15.膨胀操作 19 16.腐蚀操作 20 17.开启和闭合操作 21 18.开启和闭合组合操作 22 19.形态学边界提取 24 20.形态学骨架提取 25 21.直接提取四个顶点坐标 26 22.文件打开窗口 27 (Contents 1 image reversal 22 23 gray linear transformation. Nonlinear transformation 44. Histogram equalization 55 linear smoothing filters 66. Median filter 77. Sobel operator and Rapp Las Image Sharpening: 88. gradient edge detection operator 9 9.LOG edge detection operator 11 10.Canny count of edge detection 1211. the border tracking (bwtraceboundary function) 1413 13 12.Hough transform histogram. threshold Law 1614 automatic thresholding method: Otsu 1815 expansion operation 1916. corrosion operation 2017. opening and closing operation of 2118. combination of opening and closing operation 2219. morphology boundary extraction 24 20 morphological skeleton extraction 2521 direct extraction of four vertex coordinates 2622 File Open window 27)

simulink 使用教程 方便实用 ，详细介绍了控制模型 simulink 的仿真设计(simulink tutorial easy to use and practical, detailed simulation simulink control design model)

Program for interpolation facial image

采用了模型参考自适应系统的simulink仿真环境下的永磁同步电机空间电压脉宽调制仿真(Using a permanent magnet synchronous motor space voltage pulse width modulation simulink simulation environment simulation model reference adaptive system )

matlab初学者必备知识。通用简单的例子，速成matlab编程技巧(matlab beginners knowledge required. Common examples of simple, quick matlab programming skills)

说明：  Optimization of PID Parameters Using SIMULIN K and Optimization Toolbox