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³ÌÐò³ö´í£¬¸ßÊÖ°ïæָµãÏ£¡£¡£¡Ð»Ð»£¡£¡¹«Ê½¼û¸½¼þ¡£ clear; syms x Z; w=0:2:10; R=zeros(1,length(w)); for i=1:length(w) for a=1:10 Z=Z*0.5*(1+erf((200-(a+1)/75)/(40*sqrt(2)))); end y=int(((1/(60*sqrt(2*pi)))*exp(-(x-600)^2/7200))*Z,x,-inf,inf); R(i)=vpa(y,10); end plot(w,R,'r.') |
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wuyu__
Ìú³æ (СÓÐÃûÆø)
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2Â¥2016-01-23 23:36:48
wuyu__
Ìú³æ (СÓÐÃûÆø)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 245.6
- ºì»¨: 1
- Ìû×Ó: 108
- ÔÚÏß: 38.2Сʱ
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- ×¢²á: 2012-05-31
- ÐÔ±ð: GG
- רҵ: ¹ÌÌåÁ¦Ñ§
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syms Z x w=0:2:10; R=zeros(1,length(w))*sym('1'); for i=1:length(w) for a=1:10 Z=Z.*0.5.*(1+erf((200-(a+1)/75)/(40.*sqrt(2)))); end R(i)=int(((1/(60.*sqrt(2*pi))).*exp(-(x-600)^2/7200)).*Z,x,-inf,inf); end R=double('R'); plot(w,R,'r.') |

3Â¥2016-01-23 23:39:50
wuyu__
Ìú³æ (СÓÐÃûÆø)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 245.6
- ºì»¨: 1
- Ìû×Ó: 108
- ÔÚÏß: 38.2Сʱ
- ³æºÅ: 1841336
- ×¢²á: 2012-05-31
- ÐÔ±ð: GG
- רҵ: ¹ÌÌåÁ¦Ñ§

4Â¥2016-01-23 23:40:17
1375481653
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5Â¥2016-01-24 13:06:42













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