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lilihurry

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Jackie2011

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lilihurry: ½ð±Ò+6, ¡ïÓаïÖú 2014-11-29 21:52:42
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2Â¥2014-11-29 20:33:35
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lilihurry

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ÒýÓûØÌû:
2Â¥: Originally posted by Jackie2011 at 2014-11-29 20:33:35
1£¬ 2phi(1)-1;
2,   ¾«È·Öµ2phi(2/sigma)-1£¬¹À¼ÆÖµÎª2phi(0.375)-1¡£

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3Â¥2014-11-29 22:14:48
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Jackie2011

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¶Ô²»Æð£¬°Ñ0.375¸Ä³É(square root of 3)/2, ¾Í¶ÔÁË¡£ÒòΪÑù±¾·½²îs2=5.3333£¬ ËùÒÔs=(square root of 16/3).
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Jackie2011

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by lilihurry at 2014-11-29 22:14:48
ÇëÎÊ0.375ÊÇÔõôÀ´µÄ£¿...

Ó¦ÊÇ(square root of 3)/2, ·Ç0.375, ÒòΪs=square root of £¨16/3£©...
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