2楼: Originally posted by 月只蓝 at 2015-09-25 12:14:07
options=optimset('Maxfuneval',1000);   %修改为1000次



function solve_eqs
clear all;clc
options=optimset('Maxfuneval',1000);
global m;
m=0.01;
for i=1:51
    =fsolve(@myf02,,options);
    ...

function solve_eqs
clear all;clc
options=optimset('Maxfuneval',1000);
global m;
m=0.01;
for i=1:51
    [y fval]=fsolve(@myf02,[0.004,0.7,1.2],options);
    n(1:3,i)=y;
    nn(1:3,i)=fval;
    m=m+0.02;
end
n
nn
function f=myf02(x)
global m;
f(1)=7.935516634*m^3*x(3)^3-x(1)^2*x(2)^2;
f(2)=-0.12*m-0.0003*x(1)-0.011285-log10(x(2));
f(3)=0.14*m-0.024*x(1)+0.027595-log10(x(3));

4楼: Originally posted by 月只蓝 at 2015-09-25 14:01:06
我没有遇到你说的不能计算的问题，你最好把问题的详情以截图的形式给出。以下代码运行正常，结果也正常。

function solve_eqs
clear all;clc
options=optimset('Maxfuneval',1000);
global m;
m=0.01;
for ...