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cbzeng

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Keepexciting
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pengyehui

ľ³æ (ÕýʽдÊÖ)

2Â¥2012-01-18 10:26:41
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cbzeng

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by pengyehui at 2012-01-17 19:26:41:
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\int_x^\infty [y^a e^(y^(-2a))]dy, 0
Keepexciting
3Â¥2012-01-18 11:38:30
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cbzeng

½ð³æ (СÓÐÃûÆø)

soliton923: »ØÌûÖö¥ 2012-01-18 15:35:08
ÒýÓûØÌû:
3Â¥: Originally posted by cbzeng at 2012-01-17 20:38:30:
\int_x^\infty [y^a e^(y^(-2a))]dy, 0<a<1/2.

Keepexciting
4Â¥2012-01-18 11:45:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xxxfield

Òø³æ (СÓÐÃûÆø)

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cbzeng(½ð±Ò+8): ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-01-20 12:09:27
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5Â¥2012-01-18 14:31:41
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begtostudy

½ð³æ (ÕýʽдÊÖ)

Dr. °×;˼


ÒýÓûØÌû:
5Â¥: Originally posted by xxxfield at 2012-01-18 14:31:41:
µ± y Ç÷ÏòÓÚÎÞÇî´óʱ£¬±»»ýº¯ÊýÇ÷ÓÚÎÞÇÕâ¸ö¹ãÒå»ý·Ö²»ÊÕÁ²°¡¡¢

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6Â¥2012-01-18 15:17:36
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xxxfield

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
6Â¥: Originally posted by begtostudy at 2012-01-18 15:17:36:
¹«Ê½ÔõôÓÃÒ»ÐзûºÅ±íʾµÄÄØ

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7Â¥2012-01-18 15:23:53
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iamsad

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

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¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
cbzeng(½ð±Ò+2): 2012-01-20 12:09:48
ÊÔÒ»ÊÔ ±äÁ¿´ú»» t=y^(-2a).
8Â¥2012-01-19 05:26:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tangise

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

=exp(-x^(1/2a))/2

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

9Â¥2012-01-31 09:42:57
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cbzeng

½ð³æ (СÓÐÃûÆø)

ËÍÏÊ»¨Ò»¶ä
ÒýÓûØÌû:
Â¥: Originally posted by tangise at 2012-01-30 18:42:57:
=exp(-x^(1/2a))/2

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