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wangdinow

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    x                     y
ÎÂ¶È [K]     ÈÈÈÝ [J/K/mol]
298.15           79.038
300           79.434
400           96.117
500           106.142
600           112.552
700           116.956
800           120.179
900           122.667
1000           124.753
1100           126.614
1200           128.267
1300           129.743
Çë°ïæ¶ÔÒÔÉÏÊý¾Ý½øÐÐ y=a+bx+cx^(-2)  ÐÎʽµÄ¶àÏîʽÄâºÏ
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wangdinow

гæ (СÓÐÃûÆø)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
3Â¥: Originally posted by dingd at 2013-10-04 20:07:26
1stOptÇó½â£º

Function y=a+b*x+c*x^(-2);
Data;
298.15           79.038
300           79.434
400           96.117
500           106.142
600           112.552
700           116.956
800        ...

Ì«¸ÐлÁË£¡
4Â¥2013-10-06 14:36:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 4 ¸ö»Ø´ð

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

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¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
y=-0.00007*x^2+0.153*x+41.912+0.048/x^2
2Â¥2013-10-04 08:14:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

1stOptÇó½â£º
CODE:
Function y=a+b*x+c*x^(-2);
Data;
298.15           79.038
300           79.434
400           96.117
500           106.142
600           112.552
700           116.956
800           120.179
900           122.667
1000           124.753
1100           126.614
1200           128.267
1300           129.743

¾ù·½²î(RMSE):0.552647111213036
²Ð²îƽ·½ºÍ(SSE):3.66502595438537
Ïà¹ØÏµÊý(R): 0.999490075535102
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.998980411093165
È·¶¨ÏµÊý(DC): 0.998980411093165
¿¨·½ÏµÊý(Chi-Square): 0.0176359888972451
Fͳ¼Æ(F-Statistic): 4413.54350741909

²ÎÊý        ×î¼Ñ¹ÀËã
----------        -------------
a        113.174061243471
b        0.0147747884516572
c        -3462254.5036569
Çë°ïæÄâºÏÒ»×éÊý¾Ý£¬Ç󻨹éϵÊý
c4.jpg

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

3Â¥2013-10-04 20:07:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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