VC_Matlab-mixed-programming

本文基于matlab开发环境，利用鱼群算法对30节点的电网进行无功优化(Reactive Power Optimization Based on fish swarm algorithm in 30 node grid)

clear all I=imread( lena.bmp ) figure imshow(I) I2=imrotate(I,-4, bilinear ) 逆时针旋转4度 figure imshow(I2) I3=fliplr(I) 垂直镜像 figure imshow(I3) I4=imresize(I,0.5, bilinear ) 缩小为原图的1/2 figure imshow(I4) A=double(I) 转换为double类型 计算7个不变矩 [nc,nr]=size(A) [x,y]=meshgrid(1:nr,1:nc) 得到网格 x=x(:) y=y(:) A=A(:) m.m00=sum(A) if m.m00==0 m.m00=eps end m.m10=sum(x.*A) m.m01=sum(y.*A) 计算均值 xmean=m.m10/m.m00 ymean=m.m01/m.m00 计算中心矩(li9_23.rar cm.cm00=m.m00 cm.cm02=(sum((y-ymean).^2.*A))/(m.m00^2) cm.cm03=(sum((y-ymean).^3.*A))/(m.m00^2.5) cm.cm11=(sum((x-xmean).*(y-ymean).*A))/(m.m00^2) cm.cm12=(sum((x-xmean).*(y-ymean).^2.*A))/(m.m00^2.5) cm.cm20=(sum((x-xmean).^2.*A))/(m.m00^2) cm.cm21=(sum((x-xmean).^2.*(y-ymean).*A))/(m.m00^2.5) cm.cm30=(sum((x-xmean).^3.*A))/(m.m00^2.5) im(1)=cm.cm20+cm.cm02 im(2)=(cm.cm20-cm.cm02)^2+4*cm.cm11^2 im(3)=(cm.cm30-3*cm.cm12)^2+(3*cm.cm21-cm.cm03)^2 im(4)=(cm.cm30+cm.cm12)^2+(cm.cm21+cm.cm03)^2 im(5)=(cm.cm30-3*cm.cm12)*(cm.cm30+cm.cm12)... *((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)... +(3*cm.cm21-cm.cm03)*(cm.cm21+cm.cm03)... +(3*(cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2) im(6)=(cm.cm20-cm.cm02)*((cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2)... +4*cm.cm11*(cm.cm30+cm.cm12)*(cm.cm21+cm.cm03) im(7)=(3*cm.cm21-cm.cm03)*(cm.cm30+cm.cm12)... *((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)... +(3*cm.cm12-cm.cm30)*(cm.cm21+cm.cm03)... *()

wiggle plotting the segy format for seismic data set

带有gui(图形界面）的钢筋混凝土柱截面配筋及绘图程序。(With a gui (graphical interface) of the reinforcement and reinforced concrete column cross-section drawing program.)

关于主元分析选取方法重构误差方差法（VRE）的MATLAB仿真代码。(About PCA reconstruction error variance method selection method (VRE) MATLAB simulation code.)

自适应有源噪声控制FLMS算法仿真程序，包含主要仿真程序和最后绘图结果(Adaptive Active Noise Control Algorithm for Simulation Program FLMS)

处理信号的时频分析，数据模型归一化，模态振动，可以广泛的应用于数据预测及数据分析。( When processing a signal frequency analysis, Normalized data model, modal vibration, Can be widely used in data analysis and forecast data.)

matlab 下的天线和EM建模 (作者：Sergey N. Makarov)，内含大量matlab源程序。(Antenna and EM Modeling with MATLAB- Sergey N. Makarov)

说明：  一组信号进行小波分解后以及希尔伯特解调，快夫妇立叶变换(A set of wavelet signal decomposition and Hilbert demodulation and fast Fourier transform couples)

便携式直线一级倒立摆MATLAB6.5版本程序，适合于初学Simulink者,包含所有S函数源代码(Portable straight line the inverted pendulum the MATLAB6.5 version of the program is suitable for novice Simulink, contains all S-function source code)