这是我的M文件:
function f=myfun(x)
f=-x(1)*x(2)*x(3);
funtion [c,ceq]=mycon(x)
ceq=x(2)*x(3)+x(3)*x(1)+x(1)*x(2)-75
c=0;
x0=[4; 5; 6];
lb=zeros{3,1};
[x, fval, exitflag. output, lambda]=fmincon(@myfun,x0, [], [], [], [], lb, [], @mycon);
当我运行第一个文件时:出现了这样的错误
??? Input argument "x" is undefined.
Error in ==> myfun at 2
f=-x(1)*x(2)*x(3);
我在网上也查了很多资料,不过都没解决!求大神帮忙,急用 谢谢!!!!
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好像还是不行啊,我把你说的所有程序写在一个M文件里面,但是有很多语法错误
运行结果:
??? Undefined function or method 'fmincon' for input arguments of type
'function_handle'.
Error in ==> myhelp at 6
[~, ~, ~,~, ~]=fmincon(@myfun,x0, [], [], [], [], lb, [], @mycon);
不过还是谢谢你
不可能啊,我的都可以。结果如下:你要是不行还是多个m文件吧
ceq =
-9.5736e-008
ceq =
-5.8265e-013
ceq =
7.4506e-007
ceq =
7.4506e-007
ceq =
7.4506e-007
Optimization terminated: first-order optimality measure less than options.TolFun
and maximum constraint violation is less than options.TolCon.
Active inequalities (to within options.TolCon = 1e-006):
lower upper ineqlin ineqnonlin
1
>>