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mathproblem
matlab数学问题的优化实验和源代码，希望有用处(matlab optimization of experiments and mathematical problem source code, hope to have useful)
- 2009-11-25 14:40:44下载
- 积分：1
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newmarkb
newmarkbeta法的MATLAB程序，可用于时程分析(The MATLAB program of newmarkbeta method can be used for time history analysis.)
- 2018-06-10 16:01:54下载
- 积分：1
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gameD
规则网络模型囚徒困境的模拟
可以作为对演化博弈感兴趣的一个例子学习(Simulated network model rules Prisoner s Dilemma)
- 2020-07-03 12:20:02下载
- 积分：1
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B-ELM
bidirectional elm matlab code
- 2021-04-26 20:38:45下载
- 积分：1
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Matlabwaveletfeatureextraction
Matlab小波特征提取，主要是纹理特征(Matlab wavelet feature extraction, texture features are mainly)
- 2010-11-29 18:47:08下载
- 积分：1
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program-of-GUI
program of matlab GUI 精通matlab GUI光盘代码(Proficient in matlab GUI CD code)
- 2011-12-20 09:42:42下载
- 积分：1
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li9_23
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)...
*()
- 2010-10-17 21:53:14下载
- 积分：1
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PAPR_PTS
有关PAPR的程序，希望大家好好学习，天天向上，努力提高自己(PAPR of the program on, I hope you study hard, every day, strive to improve their)
- 2011-01-20 21:25:42下载
- 积分：1
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compressedsensingmatlab
说明： 演示Compressive Sensing的Matlab程序
信号压缩传感的实现(正交匹配追踪法Orthogonal Matching Pursuit) (Compressive Sensing of Matlab demonstration program to achieve signal compression sensor (orthogonal matching pursuit method Orthogonal Matching Pursuit))
- 2010-04-15 15:19:05下载
- 积分：1
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Analytic_Coarse_Alignment_methods
这是一个本人编写的一个接联惯性导航系统解析粗对准程序可观测性分析的一个程序。(This is the one I prepared received an Inertial Navigation System Analysis rough alignment procedures observability analysis of a trip sequence.)
- 2007-01-28 12:42:42下载
- 积分：1
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