请教高手多元函数的条件极值问题，谢谢
下面一个多元函数的条件极值问题，范围限制不起作用，请高手指点，谢谢：）>> fun='0.2647+2*0.1092*x(1)-2*0.2290*x(2)+0.7048*x(1)*x(1)-2*0.3810*x(1)*x(2)+0.4762*x(2)*x(2)';
>> x0=;
>> lb=[-0.5 0];
>> ub=;
>> =fmincon(fun,x0,lb,ub)
Warning: Large-scale (trust region) method does not currently solve this type of problem,
switching to medium-scale (line search).
> In C:\MATLAB6p5\toolbox\optim\fmincon.m at line 213
Optimization terminated successfully:
Magnitude of directional derivative in search direction
less than 2*options.TolFun and maximum constraint violation
is less than options.TolCon
No Active Constraints
x =
0.1851 0.6290
fval =
0. 1409
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