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pyypyy37

½ð³æ (ÕýʽдÊÖ)

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libralibra

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

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pyypyy37(jjdg´ú·¢): ½ð±Ò+5, ÐÁ¿àÁË 2013-04-27 16:26:03
ûÓÐÊý¾Ý,Ö»ÄÜ´ó¸Å¸ø¸öÀý×Ó
CODE:
T = 2.31;
t = 1:20;
x = randi([-4,4],1,length(t));
y1 = T*ones(size(x));
y2 = -y1;
plot(t,x,'k*-',t,y1,'r',t,y2,'b');
ylim([-5,5]);

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

matlab/VB/python/c++/Javaд³ÌÐòÇë·¢QQÓʼþ:790404545@qq.com
2Â¥2013-04-26 23:43:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

pyypyy37

½ð³æ (ÕýʽдÊÖ)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
2Â¥: Originally posted by libralibra at 2013-04-26 23:43:33
ûÓÐÊý¾Ý,Ö»ÄÜ´ó¸Å¸ø¸öÀý×Ó

T = 2.31;
t = 1:20;
x = randi(,1,length(t));
y1 = T*ones(size(x));
y2 = -y1;
plot(t,x,'k*-',t,y1,'r',t,y2,'b');
ylim();

...

ÎÒÏëÎÊһϣ¬ÕâÖ»ÊÇ»æÍ¼µÄÃüÁî°É£¿ÎÒ°ÑÎҵijÌÐò·¢¸øÄã¡£Âé·³Äã°ïÎÒ¿´¿´£¬Èç¹ûÒª»­³öÎÒÌù³öµÄÄǸöͼ£¬»¹Òª¼ÓʲôÃüÁлл£¡£¡ÄãÌ«ºÃÁË£¡¼ì²â±äÒìÊDz»ÊÇ¿´hÖµ¡£0µÄµØ·½¾ÍÊDZäÒìµã£¿£¿ÔٴθÐл¡£
clear
Xn=load ('E:\pyy\shuju\rain.txt');
% X=X./max(X);
X=Xn';
N=length(X);
m=0;
for i=2:N-2
    left=X(1:i);
    right=X(i+1:N);
    N_left=length(left);
    N_right=length(right);
    mu_left=mean(left);
    mu_right=mean(right);
    std_left=std(left);
    std_right=std(right);
    Sw=sqrt(((N_left-1)*std_left^2+(N_right-1)*std_right^2)/N_left+N_right+1);
    T(i)=(mu_left-mu_right)/(Sw*sqrt(1/N_left+1/N_right));
    if abs(T(i))>0.025
        m=m+1;
        a(m)=X(i);
        b(m)=T(i);
        c(m)=i;
    end
[h(i),significance(i),ci]=ttest2(left,right,0.05);
3Â¥2013-04-27 09:26:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

pyypyy37

½ð³æ (ÕýʽдÊÖ)

ÄÚÈÝÒÑɾ³ý
4Â¥2013-04-27 10:38:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiyeyue

гæ (³õÈëÎÄ̳)

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