exa3_10.m

来自「有关matlab r2007的实用教程」· M 代码 · 共 9 行

finverse(sym('1/x'))    % the inverse of 1/x is 1/x since ‘1/（1/x)=x’

finverse(sym('x^2'))    % g(x^2)=x has more than one solution

finverse(sym('a*x+b'))    % find the solution to ‘g(f(x))=x’

finverse(sym('a*b+c*d-a*z'),sym('a'))    % find the solution to ‘g(f(a))=a’