matlab 指数曲线拟合：k=A*exp(-B/(T-C))
T=293.15:5:323.15;k=[23.6,27.2,31,35.1,39.4,43.9,48.7]需要拟合出参数ABC和r求大神帮忙...
T=293.15:5:323.15;
k=[23.6,27.2,31,35.1,39.4,43.9,48.7]
需要拟合出参数A B C和r 求大神帮忙 展开
k=[23.6,27.2,31,35.1,39.4,43.9,48.7]
需要拟合出参数A B C和r 求大神帮忙 展开
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T=293.15:5:323.15;
k=[23.6,27.2,31,35.1,39.4,43.9,48.7];
fun = @(x,t) x(1).*exp(-x(2)./(t-x(3)));
[x,r] = nlinfit(T,k,fun,[1,1,293]);
plot(T,k,'*')
hold on
plot(T,fun(x,T))
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