clc;clear
f='2185.65*(1-x^3*(0.25+x^2)^(-3/2))+28.67*((1.1*x+1.21*atan(1.1/x)+x^2*atan(1.1/x))/(1.21+x^2))-1.83*x'
ezplot(f,[-100 100]),grid
x=fzero(f,9)
结果：
x =
9.11523183213223
如何用MATLAB解出下面的方程.
clc;clear
f='2185.65*(1-x^3*(0.25+x^2)^(-3/2))+28.67*((1.1*x+1.21*atan(1.1/x)+x^2*atan(1.1/x))/(1.21+x^2))-1.83*x'
ezplot(f,[-100 100]),grid
x=fzero(f,9)
结果：
x =
9.11523183213223