这个建议你使用cftool进行拟合General model: f(x) = a*exp(m*x)-a*exp(n*x)Coefficients (with 95% confidence bounds): a = 114.4 (105.1, 123.8) m = -0.1855 (-0.2039, -0.1671) n = -2.008 (-2.325, -1.691)
呵呵,这个真不懂呀