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sky0909: ½ð±Ò+5, ¡ïÓаïÖú 2012-04-18 15:31:27
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syms x a H
int(exp(-a*x^2),x,0,H)

ans =

(pi^(1/2)*erf(H*a^(1/2)))/(2*a^(1/2))
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
2Â¥2012-04-18 10:35:24
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sky0909

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4Â¥2012-04-20 09:28:36
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math2000

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5Â¥2012-04-20 18:43:01
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katting

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6Â¥2012-04-20 22:51:18
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katting

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6Â¥: Originally posted by katting at 2012-04-20 22:51:18:
lÀûÓ÷ֲ¿»ý·Ö·¨£¬ºÜÈÝÒ×Çó³öÀ´µÄ£¡

ÎÒËã³öµÄ×îºó½á¹ûÊÇH.exp(-a*H^2)+(1/2a)(exp(-a*H^2)-1/2a;
7Â¥2012-04-20 22:55:37
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wangzheng418

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