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tdl522

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ÒÑÖª±í´ïʽ£ºRHO=F(T,W)
RHO = 999 -0.4403*T -0.9395*W -0.003797*T*W -0.009643*W^2

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bcsnow

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

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syms RHO T W
>> solve('RHO = 999 -0.4403*T -0.9395*W -0.003797*T*W -0.009643*W^2','T')

ans =

-(1.0*(9643.0*W^2 + 939500.0*W + 1000000.0*RHO - 999000000.0))/(3797.0*W + 440300.0)
2Â¥2014-12-05 08:48:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bcsnow

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tdl522: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, лл 2014-12-05 09:14:04
ans =

   51.851083687649071865601991081614*(0.000014417209*T^2 - 0.0098486886*T - 0.038572*RHO + 39.41608825)^(1/2) - 0.19687856476200352587369076013689*T - 48.714093124546303017733070621176
- 0.19687856476200352587369076013689*T - 51.851083687649071865601991081614*(0.000014417209*T^2 - 0.0098486886*T - 0.038572*RHO + 39.41608825)^(1/2) - 48.714093124546303017733070621176
3Â¥2014-12-05 08:49:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tdl522

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

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ÒýÓûØÌû:
3Â¥: Originally posted by bcsnow at 2014-12-05 08:49:15
ans =

   51.851083687649071865601991081614*(0.000014417209*T^2 - 0.0098486886*T - 0.038572*RHO + 39.41608825)^(1/2) - 0.19687856476200352587369076013689*T - 48.714093124546303017733070621176
-  ...

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4Â¥2014-12-05 09:14:54
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bcsnow

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by tdl522 at 2014-12-05 09:14:54
·Ç³£¸Ðлb¸ç£¬×òÌìÍü¼Ç¸ø·¶Î§ÁË£¬Èç¹ûÏÖÔÚ¸øTµÄ·¶Î§ 0-50
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5Â¥2014-12-05 23:34:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tdl522

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

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ÒýÓûØÌû:
5Â¥: Originally posted by bcsnow at 2014-12-05 23:34:46
ȡֵ·¶Î§²»Ó°Ïì·½³ÌµÄÐÎʽ°¡...

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