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larychen

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] 3.6T-3.6TlnT +5080=0 ÒÑÓÐ1È˲ÎÓë

Êýѧ¶¼¶ªÍêÁË ¡£¡£¡£¡£¡£¡£¡£Çó½â£¬3.6T-3.6TlnT +5080=0      T=£¿
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larychen

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by wurongjun at 2015-09-09 19:51:18
Matlab½â!
>> syms T
>> solve('3.6*T-3.6*T*log(T)+5080','T')
ans =
299.99585690470085924765803895383

ÄÜÔÙ°ïÎÒ½â´ðÒ»ÏÂÂð    72773-1.5TlnT+2.1T=0   T=£¿
5Â¥2015-09-10 09:23:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

wurongjun

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larychen: ½ð±Ò+10 2015-09-09 19:52:32
Matlab½â!
>> syms T
>> solve('3.6*T-3.6*T*log(T)+5080','T')
ans =
299.99585690470085924765803895383
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
2Â¥2015-09-09 19:51:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Edstrayer

°æÖ÷ (ÖøÃûдÊÖ)

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3Â¥2015-09-10 01:54:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

larychen

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by Edstrayer at 2015-09-10 01:54:25
x=e^{W\left(\frac{12700}{9e}\right)+1}\approx 299.996

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