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a=0.515*Kg;
b=0.515+Kg+0.515*Kg*50+0.515*Kg*x-0.515*Kg*50;
c=1+0.515*50+Kg*x-(0.515+Kg)*50;
d=-50;       
for(H=50,step=1;abs(step)>1E-15;H=H-step){
step=(a*H*H*H+b*H*H+c*H+d)/(3*a*H*H+2*b*H+c)};
y=50*(0.004142+0.02*0.515*H)/(1+0.515*H)

x£¬yµÄ²Î¿¼Êý¾ÝΪ£º

x              y
0                0.40692
8.16                0.46934
16.29        0.52351
24.39        0.57062
32.48        0.60668
40.52        0.64045
48.54        0.67391
56.54        0.70164
65.52        0.71935
72.46        0.73048
80.39        0.75476
88.28        0.73918
96.15        0.7396
104        0.73894
111.82        0.73845
119.62        0.73769

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b=0.515+Kg+0.515*Kg*50+0.515*Kg*x-0.515*Kg*50;

ÀïÃæ¼ÈÓС°0.515*Kg*50¡±£¬Ò²ÓС°-0.515*Kg*50¡±£¬ºÎ²»¼ò»¯Îª£º

b=0.515+Kg+0.515*Kg*x;

ÓÃ1stOptËãÁ˸ö½á¹û£¬½öÒ»¸ö²ÎÊý£¬Ð§¹û²»Ì«ºÃ£¬²Î¿¼Ï£º

¾ù·½²î(RMSE):0.18549434787848
²Ð²îƽ·½ºÍ(SSE):0.550530449517803
Ïà¹ØÏµÊý(R): 0.954945715891251
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.911921320299054
È·¶¨ÏµÊý(DC): -2.05214149870227

²ÎÊý                  ×î¼Ñ¹ÀËã
--------------------        -------------
kg        0.0814361786948646

====== ½á¹ûÊä³ö ======

Îļþ: Êý¾ÝÎļþ-1
No        Ä¿±ê y        ¼ÆËã y
1        0.40692        0.858385919521254
2        0.46934        0.834627451860141
3        0.52351        0.812864072583636
4        0.57062        0.79312215539788
5        0.60668        0.775164214328853
6        0.64045        0.758842124357923
7        0.67391        0.743872372783508
8        0.70164        0.730071238766839
9        0.71935        0.71574555836118
10        0.73048        0.705415121301159
11        0.75476        0.694309183742899
12        0.73918        0.683919717474956
13        0.7396        0.674143733588132
14        0.73894        0.664918341827109
15        0.73845        0.65620062096851
16        0.73769        0.647932335500046
5Â¥2013-08-05 08:51:14
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