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xutodd

Òø³æ (СÓÐÃûÆø)

[ÇóÖú] ÇóÖúÒ»¸öÊýÁм«ÏÞÎÊÌ⣿

Çó¼«ÏÞ n [ (1/n)^{1/n}-(1/2n)^{1/n}] (n->ÕýÎÞÇî´ó)
лл1

[ Last edited by xutodd on 2011-10-16 at 11:53 ]
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just_play

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soliton923: Ê®·Ö¸Ðлר¼ÒµÄ»Ø´ð~~ÎÒÒ²ÊÇÕâÑùÏëµÄ~~ºÇºÇ 2011-10-16 23:37:16
СÓêÃÈÃÈ(½ð±Ò+3): 3Q 2011-10-19 13:23:31
So Trivial !
2Â¥2011-10-16 13:50:44
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xuyx_78

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soliton923: Ê®·Ö¸Ðл~~Õý½â£¡£¡Õâ¸ö·½·¨Ã»ÓÐÏëµ½~~ºÇºÇ~~ÒªÊÇûÓÐѧÂޱȴïµÄ»°£¬¿ÉÄÜ»áÏëÒ»Ïë~~ 2011-10-16 23:38:22
СÓêÃÈÃÈ(½ð±Ò+3): лл¹Ø×¢~ 2011-10-19 13:24:06
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3Â¥2011-10-16 14:55:34
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xuyx_78

½ð³æ (СÓÐÃûÆø)

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3Â¥: Originally posted by xuyx_78 at 2011-10-16 14:55:34:
¹ý³ÌÈçÏ£º

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4Â¥2011-10-17 08:40:44
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yonshping

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soliton923(½ð±Ò+1): »úÆ÷Ò²ÄÜËã~~\(^o^)/~ 2011-10-17 22:14:15
>> syms n
>> f= n* ( (1/n)^(1/n)-(1/(2*n))^(1/n))

f =

-n*((1/(2*n))^(1/n) - (1/n)^(1/n))

>> limit(f,n,inf)

ans =

log(2)
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5Â¥2011-10-17 21:34:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xutodd

Òø³æ (СÓÐÃûÆø)

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6Â¥2011-10-23 17:55:16
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xutodd

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by just_play at 2011-10-16 13:50:44:

1-(1/2)^{1/n}~ -(1/n) ln (1/2)ÕâÒ»²½ÊÇÔõô»ØÊÂÄØ£¿Ð»Ð»£¡
7Â¥2011-10-23 17:58:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Pchief

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