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xuyihan

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wurongjun

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xuyihan(Edstrayer´ú·¢): ½ð±Ò+5, ·ûºÅ¼ÆËã 2015-10-30 11:19:48
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>> syms a c x y
>> int((y-c)*((y-c)^2-x^2)/((y-c)^2+x^2)^2,x,a,inf)

ans =

-a*(y-c)/(y^2-2*y*c+c^2+a^2)
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2Â¥2015-10-30 11:05:23
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blackshoes

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xuyihan(Edstrayer´ú·¢): ½ð±Ò+20, right result 2015-10-30 11:18:57
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3Â¥2015-10-30 11:13:09
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hylpy

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4Â¥2015-10-30 23:49:10
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xuyihan

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by wurongjun at 2015-10-29 21:05:23
ÓÃMatlab£¡
>> syms a c x y
>> int((y-c)*((y-c)^2-x^2)/((y-c)^2+x^2)^2,x,a,inf)

ans =

-a*(y-c)/(y^2-2*y*c+c^2+a^2)

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5Â¥2015-10-31 00:20:51
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xuyihan

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by blackshoes at 2015-10-29 21:13:09
a(y-c)/

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6Â¥2015-10-31 00:21:18
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shabaolin

Í­³æ (ÖøÃûдÊÖ)

7Â¥2015-10-31 21:54:46
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xuyihan

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
7Â¥: Originally posted by shabaolin at 2015-10-31 07:54:46
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