求教非线性参数估计问题。
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小弟需要估计下面函数的A,B两个参数吗,在论文看到1stOpt 1.5软件比较方便,就用了一下,但是运行下面程序提示“数据长度不够”,是什么意思?是数据个数不够吗?我应该修改软件参数的设置吗?Parameters A,B;
Variable FR,t;
Function FR=A*B*exp(-B*0.6/(0.8617*10^(-4)*(40+273)))*t^(B-1);
Data;
t=[14,14.5,15.5,16,16.5,17,17.5,18,18.5,19,19.5,20];
FR=[0.03965,0.04384,0.06766,0.06812,0.1219,0.1358,0.1964,0.2109,0.3078,0.3444,0.483,0.51];
如果各位有MATLAB 的参数估计程序也麻烦发一下,你之前用过的就行,不用针对我这个函数,我自己改一下试试。
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