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xuezwei金蟲 (小有名氣)
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[求助]
1stopt非線性擬合問題!
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這是我使用1stopt進(jìn)行非線性擬合的代碼,由于第一次使用,執(zhí)行之后,結(jié)果沒輸出,請高手看看,是代碼有問題,還是軟件的問題? //Parameters g1,t1,g2,t2; //Variable x,y; //Function y=(g1*t1*x^2/(1+t1^2*x^2)+g2*t2*x^2/(1+t2^2*x^2))/(1-(g1+g2)+g1*t1^2*x^2/(1+t1^2*x^2)+g1*t1^2*x^2/(1+t1^2*x^2)); //1.0>g1>0; //1.0>g2>0; //1.0>g1+g2>0; //t1>0; //t2>0; //Data; //1.790341434 0.455645502 //2.771007873 0.471486636 //4.378981197 0.51354102 //5.39147154 0.522391726 //6.638065811 0.531394971 //10.93562784 0.578792895 //18.01548215 0.63041849 //27.88353212 0.675015186 //40.54613041 0.710521124 //64.07442736 0.747894682 //87.53587727 0.773896256 //132.6950009 0.828642773 //160.0130395 0.800801811 //258.1809053 0.828642773 //407.9993206 0.800801811 //545.9179462 0.800801811 //899.3516573 0.773896256 //1391.975003 0.735223356 //2199.716726 0.686648845 //3334.534617 0.619737523 //5161.038839 0.568986603 //8502.356199 0.504840268 //15542.06002 0.397427473 //29007.56618 0.329325403 //45840.21147 0.287247349 //80380.19427 0.259256186 //127023.5869 0.233992656 //242058.5937 0.197238061 //490972.2096 0.169122103 //808833.4035 0.155272527 //1226104.685 0.140141809 //2019899.306 0.133138686 //5834912.221 0.118128915 |
鐵桿木蟲 (職業(yè)作家)
專家顧問 (正式寫手)
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