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b                  0.0024
c                  -23.3122
d                  0.0002528
R^2£º0.9987  RMSE:0.2424 DC:0.9987
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CODE:
Function Y=a*exp(-b*X)-c*exp(-d*X);
Data;
X        Y
1796         14.57
1606         15.02
1422         15.46
1196         15.66
1002         15.60
813         15.30
545         13.74
341         10.30
200         6.20
138         3.80
90         1.51
59         0.29
30         -1.05
0         -2.07

¾ù·½²î(RMSE): 0.242346956314331
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Ïà¹ØÏµÊý(R): 0.999368227236827
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.998736853610479
¾ö¶¨ÏµÊý(DC): 0.998736853041796
¿¨·½ÏµÊý(Chi-Square): 0.0576386490939649
Fͳ¼Æ(F-Statistic): 2638.91173682131

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----------        -------------
a        -25.9211028814406
b        0.00242237982926901
c        -23.3121573126108
d        0.00025283869354621

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5Â¥2012-10-15 17:24:44
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5Â¥: Originally posted by dingd at 2012-10-15 17:24:44
ÊÔÏÂ1stOpt£¬ÓÅ»¯ÄâºÏ·½Ãæ·Ç³£Ò×ÓúÍÇ¿´ó£¬ÎÞÐè²Â³õÖµ£º

Function Y=a*exp(-b*X)-c*exp(-d*X);
Data;
X        Y
1796         14.57
1606         15.02
1422         15.46
1196         15.66
1002         15.60
813         15.30
545         13.74
341          ...

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One day someone walk into your life, then you will realize that love is always worth waiting for.
6Â¥2012-10-16 08:39:41
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