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Á½¸ö·½³Ì·Ö±ðÊÇ£ºz = M1*exp(-(K1+K2)*x)+ M2*exp(-K3*x) + M3

                             y = K1*M1*(exp(-(K1+K2)*x)-exp(-K4*x))/(K4-K1-K2)

δ֪ÊýΪ£ºM1,M2,M3,K1,K2,K3,K4

Êý¾Ý·Ö±ðÊÇ£ºx=(0£¬5£¬15£¬30£¬60)
                     y=(0£¬8.15%£¬8.00%£¬7.66%£¬5.13%)
                     z=(1£¬58.00%£¬39.05%£¬9.35%£¬15.47%)

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ykwang

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dongdong3881(½ð±Ò+2):¶àлָµ¼ 2010-11-03 20:32:07
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[ Last edited by ykwang on 2010-11-3 at 16:22 ]
Nothing_Is_Impossible!
2Â¥2010-11-03 16:20:03
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dingd

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dongdong3881(½ð±Ò+3): ¶àлָµ¼£¬»¶Ó­³£À´¼ÆÄ£°æ 2011-02-21 15:15:54

ÓÃ1stOptºÜºÃÇó½â£¬Ä¿±êº¯Êý¡¢Ïà¹ØÏµÊýÊÇÎȶ¨Î¨Ò»µÄ£¬Ö»ÊDzÎÊý×éÖµ²»ÊÇΨһµÄ£º

1stOpt´úÂ룺
CODE:
Variable x,y,z;
SharedModel;
Function z = M1*exp(-(K1+K2)*x)+ M2*exp(-K3*x) + M3;
         y = K1*M1*(exp(-(K1+K2)*x)-exp(-K4*x))/(K4-K1-K2);
Data;
x=[0,5,15,30,60];
y=[0,8.15/100,8.00/100,7.66/100,5.13/100];
z=[1,58.00/100,39.05/100,9.35/100,15.47/100];

½á¹û£º
¾ù·½²î(RMSE): 0.0352591208890349
²Ð²îƽ·½ºÍ(SSE): 0.0124320560586758
Ïà¹ØÏµÊý(R): 0.995963596645858
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.991943485843753
¾ö¶¨ÏµÊý(DC): 0.991943485843753
Fͳ¼Æ(F-Statistic): -21.3717295040761

²ÎÊý                  ×î¼Ñ¹ÀËã
--------------------        -------------
m1        0.172985072093463
k1        10.9560306591345
k2        10.4148674804032
m2        0.719863185252437
k3        0.0776070902435506
m3        0.107151742657228
k4        0.00786174504795006
3Â¥2011-02-21 11:08:49
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