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jabber-testsuite-1.0.2.tar
jabber 的配套测试工具（1）- 用于批量注册用户(./userreg -h host- u numerofusers -n beginwith)(jabber matching test tools (1)- for volume users (./Userreg-h host-u numerofusers-n beginwith))
- 2005-08-03 10:46:30下载
- 积分：1
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derivatives
金融工程嗯, 从matlab论坛上下载的，我觉得很有用，所以传上来分享(Financial Engineering derivatives from famous University and is really useful in derivatives. I love it very much and I think is really helpful to your guys)
- 2012-06-01 15:16:27下载
- 积分：1
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sprobnn
精通matlab编程语法， 熟练掌握matlab的用法，等(Proficient in matlab programming syntax, mastering matlab usage, etc.)
- 2013-12-30 09:01:39下载
- 积分：1
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CRB_final
This is the CRB caculated for an OFDM system to compair belind channel estimation.
CRB is Cramer Rao bound and it is the lowest bound for analyzing the devlopement of algorithms of channel estimation.
- 2009-09-29 20:55:23下载
- 积分：1
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qpsk_ber
说明： 通信系统的仿真,在现在的毕业设计和课程设计中都有要求的(communications system simulation, the current graduation design and curriculum design, have requested the)
- 2006-05-04 20:24:26下载
- 积分：1
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Neville--interpolation
Neville插值的源代码，用于Matlab科学计算与数据插值，可与牛顿插值等进行比较学习，适合matlab学习者参考。(Neville interpolation source code for Matlab scientific computing and data interpolation, Newton interpolation can be compared with the study for matlab learners.)
- 2013-12-31 10:49:31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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SolvingDDEsinMatlab
Matlab中求解DDEs,理论和程序段(Matlab in solving DDEs, theories and procedures of paragraph)
- 2009-05-14 22:06:10下载
- 积分：1
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Traditionalized_Ackley_Functioncode
Implements the traditional benchmark formulation used in optimization literature
- 2010-12-25 17:14:45下载
- 积分：1
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bernoise
signal+noise is very simple like this
- 2011-06-18 11:31:18下载
- 积分：1
