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wall_2012: ½ð±Ò+4, ¡ï¡ï¡ïºÜÓаïÖú 2015-05-16 23:06:38
Áîa/(2*y)=u , y=a/(2*u) , dy=-a/2*du/u^2
ԭʽ=Integral{[2/a*u]^q*e^(-u)*[a/2*du/u^2],a/(2*¦Ë),0}
   =Integral{[2/a]^(q-1)*u^(q-2)*e^(-u)*du, 0, a/(2*¦Ë)}
   =[2/a]^(q-1)*Integral{u^(q-2)*e^(-u)*du, 0, a/(2*¦Ë)}
2Â¥2015-05-15 21:50:58
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wall_2012

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ÒýÓûØÌû:
2Â¥: Originally posted by peterflyer at 2015-05-15 21:50:58
Áîa/(2*y)=u , y=a/(2*u) , dy=-a/2*du/u^2
ԭʽ=Integral{^q*e^(-u)*,a/(2*¦Ë),0}
   =Integral{^(q-1)*u^(q-2)*e^(-u)*du, 0, a/(2*¦Ë)}
   =^(q-1)*Integral{u^(q-2)*e^(-u)*du, 0, a/(2*¦Ë)}...

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3Â¥: Originally posted by wall_2012 at 2015-05-15 22:27:05
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wall_2012: ½ð±Ò+1 2015-05-16 23:06:42
feixiaolin: ½ð±Ò+2 2015-06-02 21:30:15
ÒýÓûØÌû:
4Â¥: Originally posted by peterflyer at 2015-05-15 23:06:11
ÕâÊÇͨ¹ý±äÁ¿´ú»»Ö±½ÓÍÆµ¼À´µÄ£¬½«ÎÞÇî»ý·ÖÏÞ±äΪÁËÓÐÏ޵Ļý·ÖÏÞ¡£ÎÒÒ²¾õµÃqºÃÏñÒª´óÓÚ2²ÅÐС£±¾À´Ï뻯³ÉÙ¤Âí»ý·ÖµÄ£¬µ«Ã»Åª³É¡£...

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ÒýÓûØÌû:
5Â¥: Originally posted by ÖÕ̫֮µ¶¡ªÏþ at 2015-05-16 21:48:31
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