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xuhengking金蟲(chóng) (正式寫(xiě)手)
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[求助]
求借大神的1stOpt幫忙運(yùn)行一個(gè)擬合,謝謝!
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SharedModel; Variable y1,x1,y2,x2; Function y1=ln(x1)+(1/273)*(a0+a1*x1+a2*x1^2+a3*x1^3+a4*x1^4+a5*x1^5)+(b0+b1*x1+b2*x1^2); y2=ln(x2)+(1/298)*(a0+a1*x2+a2*x2^2+a3*x2^3+a4*x2^4+a5*x2^5)+(b0+b1*x2+b2*x2^2); Data; x1 y1 x2 y2 0.00532 0.44744 0.00565 0.16514 0.01158 1.00104 0.01286 0.4178 0.01622 1.39042 0.0162 0.5261 0.02138 1.77421 0.02083 0.67292 0.03147 2.52239 0.03112 1.00054 0.06034 4.40957 0.06019 1.87488 0.08003 5.58915 0.08055 2.47291 0.10061 6.76057 0.10119 3.06368 0.12074 7.87906 0.12135 3.63117 0.14132 8.95873 0.14136 4.15447 0.16145 9.98156 0.16115 4.6767 0.18078 10.93394 0.1808 5.1867 0.20092 11.89414 0.20129 5.69961 0.22086 12.79459 0.2217 6.19993 0.25155 14.17944 0.25105 6.90289 0.30053 16.26127 0.3011 8.0245 0.35133 18.33219 0.35173 9.12116 0.40107 20.27776 0.40058 10.17101 0.45063 22.17244 0.45058 11.2052 0.50101 24.04803 0.5008 12.24133 0.55086 25.85602 0.55091 13.23469 0.60094 27.6549 0.60056 14.21363 0.65088 29.39344 0.65119 15.18173 0.70067 31.13002 0.70067 16.12667 0.77622 33.60715 0.77561 17.47437 0.8501 36.068 0.85031 18.77184 0.92575 38.52041 0.92545 20.07633 0.99031 40.6181 0.99026 21.23669 [ Last edited by xuhengking on 2012-6-14 at 10:29 ] |
鐵桿木蟲(chóng) (職業(yè)作家)
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"Variable y1,x1,y2,x2;"對(duì)應(yīng)數(shù)據(jù)的話應(yīng)該是“Variable x1,y1,x2,y2;”吧? 均方差(RMSE): 0.221412195063471 殘差平方和(SSE): 2.74530816687818 相關(guān)系數(shù)(R): 0.999908572874465 相關(guān)系數(shù)之平方(R^2): 0.99981715410785 決定系數(shù)(DC): 0.999817143827842 F統(tǒng)計(jì)(F-Statistic): 8472.22211357839 參數(shù) 最佳估算 -------------------- ------------- a0 2857.43866389396 a1 82889.1088630692 a2 -4187.54102348512 a3 -56763.2980860637 a4 58704.8955244061 a5 -21765.4450551583 b0 -5.18024783255366 b1 -272.932348508437 b2 92.512975634889 |
金蟲(chóng) (正式寫(xiě)手)
金蟲(chóng) (正式寫(xiě)手)
金蟲(chóng) (正式寫(xiě)手)
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