2Â¥: Originally posted by ÔÂÖ»À¶ at 2015-01-04 19:08:47
MATLAB´úÂ룺

function solve_noneqs
clear all;clc
format long
x0=;
options=optimset('TolFun',1e-18,'TolX',1e-18,'TolGradCon',1e-18)
=fsolve(@objfun,x0)


function f=objfun(x)
f(1)=x(1)+x(2 ...

function solve_noneqs
clear all;clc
format long
x0=[0.5 0.5 0.5];
options=optimset('TolFun',1e-18,'TolX',1e-18,'TolGradCon',1e-18)
[x fval]=fsolve(@objfun,x0)


function f=objfun(x)
f(1)=x(1)+x(2)+1;
f(2)=x(1)*erf(x(3))+x(2)+x(3);
f(3)=x(1)*exp(x(3))/(1+erf(x(3)))+x(2);