[cheyanwen]

>> a=[0 -0.05 -0.05];
b=[-0.95];
lb=[1928.57 0.15 1];
ub=[3857.14 0.4 3];
aeq=[];beq=[];
x0=[3857.14 0.4 3];
>> [x,fval,exitflag]=fmincon(@objective,x0,a,b,aeq,beq,lb,ub,@nline)

x =
1.0e+003 *
3.8633 0.0012 0.0091
fval =

2.4830e+003
exitflag =
0
M文件：【function[c1,c2]=nline(x)
c1=504.26-0.37*x(1)-(56*(x(2)+x(3)))/(1+x(2)+x(3))+(2412*x(2))/(1+x(2))+3.19*(1+x(2)+x(3));
c2=[]; %没有非线性等式约束
function y=objective(x)
y=0.417*x(1)+120.52*x(2)+80.04*x(3)】