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feixiaolin: ½ð±Ò+2 2015-05-29 19:57:26
ԭʽ=Integral{A(1/y)*B(1/y)*-dy/y^2}
=Integral{-A(1/y)*B(1/y)/y^2*dy}
¼´C(y)=-A(1/y)*B(1/y)/y^2
3Â¥2015-05-29 19:45:30
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huqinhqin(feixiaolin´ú·¢): ½ð±Ò+5 2015-05-23 20:49:32
x=1/y
dx=-dy/y^2
J=int( A  B dx)= int( - A  B/ y^2 dy)=int ( C(y) dy)
C(y)= - A(1/y)  B(1/y) / y^2
2Â¥2015-05-23 16:02:22
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