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ÒýÓûØÌû:
Â¥: Originally posted by xuyx_78 at 2012-01-16 09:05:59:
15Â¥ÊǶԵģ¬o(h^2)/(h^2)µÄ½á¹ûÖ»ÊÇÒ»¸öÎÞÇîСÁ¿£¬Ò²¾ÍÊÇÖ»Äܶ϶¨µ±h->0ʱ£¬o(h^2)/(h^2)->0¡£

o(h^2)/(h^2)µÄ¼ÆËã½á¹ûÊÇÇ÷½üÓÚ0£¬µ«²»Ò»¶¨ÊÇo(h^2)»òÊÇo(h)°É
Retirement
21Â¥2012-01-16 09:29:56
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fs_hyy

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22Â¥2012-01-16 09:39:50
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fs_hyy

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Éèµ±$x\rightarrow x_0$ʱ£¬$f(x)=o(h^2(x))$¼´
$$\lim\limits_{x\rightarrow x_0} \frac{f(x)}{h^2(x)}=0.$$
ÓÚÊÇÓÐ
$$\lim\limits_{x\rightarrow x_0}\frac{f(x)}{h(x)}
=\lim\limits_{x\rightarrow
x_0}\frac{f(x)}{h^2(x)}\frac{h^2(x)}{h(x)}=0.$$





23Â¥2012-01-16 09:42:04
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monitor2885

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

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ÒýÓûØÌû:
Â¥: Originally posted by fs_hyy at 2012-01-16 09:39:50:
´ð°¸£¬Èçͼ

Éèµ±$x\rightarrow x_0$ʱ£¬$f(x)=o(h^2(x))$¼´
$$\lim\limits_{x\rightarrow x_0} \frac{f(x)}{h^2(x)}=0.$$
ÓÚÊÇÓÐ
$$\lim\limits_{x\rightarrow x_0}\frac{f(x)}{h(x)}
=\lim\limits_{x\rightarrow
x_0}\frac{f(x)}{h^2(x)}\frac{h^2(x)}{h(x)}=0.$$

ÔõôÂÒÂëѽ
Retirement
24Â¥2012-01-16 10:17:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

2011bean

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18Â¥¿ÉÒÔÔÙ×Ðϸ¿´¿´ÎÞÇîСÁ¿Ïà¹ØµÄ¸ÅÄÎÒ¾õµÃ×Ô¼ºËµÇå³þÁË------
25Â¥2012-01-16 10:48:52
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math2000

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

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26Â¥2012-01-16 11:38:23
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xxxfield

Òø³æ (СÓÐÃûÆø)

ÔΣ¬¿´À´¸ßµÈÊýѧ½ÌѧÈÎÖØµÀÔ¶~~~~~~~
27Â¥2012-01-16 22:25:51
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ÇóÖªÐÂÊÖ

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µ±h£­£¾0ʱ£¬o(h^2 )/h=¡¾o(h^2 )/h^2 ¡¿ * h = 0 * 0 = 0
28Â¥2012-01-18 19:35:56
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monitor2885

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

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ÒýÓûØÌû:
Â¥: Originally posted by 2011bean at 2012-01-16 10:48:52:
18Â¥¿ÉÒÔÔÙ×Ðϸ¿´¿´ÎÞÇîСÁ¿Ïà¹ØµÄ¸ÅÄÎÒ¾õµÃ×Ô¼ºËµÇå³þÁË------

o(h^2)/(h)=o (h)
o(h^2)/(h^2)=1
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Retirement
29Â¥2012-01-19 06:10:32
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