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椭圆的拟合优度用什么指标评价啊。
clear,clc x=[...];%xdata y=[...];%ydata fx1=@(b,x)b(1)*x+sqrt(b(2)+b(3)*x.^2); fx2=@(b,x)b(1)*x-sqrt(b(2)+b(3)*x.^2); b=[13...
3 years ago | 0
| accepted
