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yinxiaomu

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e^(3 x/n) - e^(3 x*(1 - n)/n) - c = 0£¬cΪ³£Êý£¬Ç󷽳̵ĸù  ÇóCÓïÑÔËã·¨
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somomo91

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yinxiaomu: ½ð±Ò+2, ¡ïÓаïÖú 2013-06-25 19:48:47
csgt0: ½ð±Ò+1, лл 2013-06-28 11:19:43
Õâ¸ö·½³Ì±È½ÏÆæ¹Ö
¼ÙÈç c = 0
e^(3 x/n) = e^(3 x*(1 - n)/n)
ln(e^(3 x/n)) = ln(e^(3 x*(1 - n)/n))
3 x/n = 3 x*(1 - n)/n
1=1-n
n = 0 ?
2Â¥2013-06-25 16:36:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yinxiaomu

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by somomo91 at 2013-06-25 16:36:32
Õâ¸ö·½³Ì±È½ÏÆæ¹Ö
¼ÙÈç c = 0
e^(3 x/n) = e^(3 x*(1 - n)/n)
ln(e^(3 x/n)) = ln(e^(3 x*(1 - n)/n))
3 x/n = 3 x*(1 - n)/n
1=1-n
n = 0 ?

C²»»áµÈÓÚÁã
3Â¥2013-06-25 19:48:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

somomo91

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

¡ï
csgt0: ½ð±Ò+1, лл 2013-06-28 11:19:58
ÒýÓûØÌû:
3Â¥: Originally posted by yinxiaomu at 2013-06-25 19:48:32
C²»»áµÈÓÚÁã...

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4Â¥2013-06-25 20:06:30
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yinxiaomu

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by somomo91 at 2013-06-25 20:06:30
Õâ¸ö·½³ÌËÆºõûÓнâÎö½â
ÎÒÓÃMATLAB ºÍ MAPLE ÊÔÁËÒ»ÏÂ
LZ È·¶¨ËüÓÐÆäËû½â £¿...

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