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гæ (³õÈëÎÄ̳)

[ÇóÖú] ÇóÖúmatlabÊý¾ÝÄâºÏ´úÂë ÒÑÓÐ2È˲ÎÓë

T       35      40         43          45         47       50  
K     2.67    2.84     2.91       2.95     2.82     2.84   
lnk=a+b/T+clnT+dT
Çóabcd   ÇóÖú´óÉñmatlab´úÂë
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huaixi0418

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fegg7502: ½ð±Ò+1, Ó¦ÖúÖ¸Êý+1, 3ks 2014-06-11 08:14:59
T=[35 40 43 45 47 50];
K=[2.67 2.84 2.91 2.95 2.82 2.84];
È»ºó´ò¿ªÇúÏßÄâºÏ¹¤¾ß£¬ÓÃ×Ô¶¨Òå·½³Ì ÉèΪexp(a+b/x+c*log(x)+d*x)

²»ÖªÔõôÄâºÏºÜ²î£¬ÊDz»ÊÇ·½³Ì´íÁË
×ßÔÚѧÊõµÄ´óµÀÉÏ
2Â¥2014-06-10 17:49:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

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fegg7502: ½ð±Ò+1, Ó¦ÖúÖ¸Êý+1, 3ks 2014-06-11 08:15:18
1stOptÄâºÏ£º
CODE:
Function k=exp(a+b/T+c*ln(T)+d*T);
Data;
T=35      40         43          45         47       50;
K=2.67    2.84     2.91       2.95     2.82     2.84;

¾ù·½²î(RMSE):0.0342383086556411
²Ð²îƽ·½ºÍ(SSE):0.00703357067759369
Ïà¹ØÏµÊý(R): 0.92088706176411
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.848032980524536
È·¶¨ÏµÊý(DC): 0.848032322414253
¿¨·½ÏµÊý(Chi-Square): 0.00122253086789702
Fͳ¼Æ(F-Statistic): 4.38689777495943

²ÎÊý        ×î¼Ñ¹ÀËã
----------        -------------
a        -2.85929750803938
b        -31.0856789256947
c        1.91586518312759
d        -0.0595174442852191

====== ½á¹ûÊä³ö ======

No        ʵ²âÖµk        ¼ÆËãÖµk
1        2.67        2.66711470124451
2        2.84        2.85838979717095
3        2.91        2.8993366528045
4        2.95        2.89990147471488
5        2.82        2.8816093109928
6        2.84        2.82363587220373
3Â¥2014-06-10 20:25:24
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