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谁能帮我解logistic方程参数!。
用1stOpt试试: Function y=c/(1+exp(a*t^2+b*t+d)); Data; t=2.2,4.2,6.6,8.6,9.9,11.2,14.2; y=0.141736,1.062766,4.932433,8.4357...
谁能帮我解logistic方程参数!。
用1stOpt试试: Function y=c/(1+exp(a*t^2+b*t+d)); Data; t=2.2,4.2,6.6,8.6,9.9,11.2,14.2; y=0.141736,1.062766,4.932433,8.4357...
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