作业帮用matlab帮我解个题,谢谢!用matlab求 min F（x）=(x1-2)^2+(x2-1)^2 s.t. g1(x)=x2-x1^2>=0g2（x)=2-x1-x2>=0取：x1属于[-5 6] x2属于[-5 8]
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/29 13:06:03
![用matlab帮我解个题,谢谢!用matlab求 min F（x）=(x1-2)^2+(x2-1)^2 s.t. g1(x)=x2-x1^2>=0g2（x)=2-x1-x2>=0取：x1属于[-5 6] x2属于[-5 8]](/uploads/image/z/9353731-67-1.jpg?t=%E7%94%A8matlab%E5%B8%AE%E6%88%91%E8%A7%A3%E4%B8%AA%E9%A2%98%2C%E8%B0%A2%E8%B0%A2%21%E7%94%A8matlab%E6%B1%82+min+F%EF%BC%88x%EF%BC%89%3D%28x1-2%29%5E2%2B%28x2-1%29%5E2++s.t.+g1%28x%29%3Dx2-x1%5E2%3E%3D0g2%EF%BC%88x%29%3D2-x1-x2%3E%3D0%E5%8F%96%EF%BC%9Ax1%E5%B1%9E%E4%BA%8E%5B-5+6%5D++x2%E5%B1%9E%E4%BA%8E%5B-5+8%5D)
用matlab帮我解个题,谢谢!用matlab求 min F（x）=(x1-2)^2+(x2-1)^2 s.t. g1(x)=x2-x1^2>=0g2（x)=2-x1-x2>=0取：x1属于[-5 6] x2属于[-5 8]
用matlab帮我解个题,谢谢!
用matlab求 min F（x）=(x1-2)^2+(x2-1)^2
s.t. g1(x)=x2-x1^2>=0
g2（x)=2-x1-x2>=0
取：x1属于[-5 6] x2属于[-5 8]
用matlab帮我解个题,谢谢!用matlab求 min F（x）=(x1-2)^2+(x2-1)^2 s.t. g1(x)=x2-x1^2>=0g2（x)=2-x1-x2>=0取：x1属于[-5 6] x2属于[-5 8]
把下列内容全部保存为s.m
function [x,val]=s
f=@(x)(x(1)-2)^2+(x(2)-1)^2;
A=[1 1];
b=2;
lb=[-5;-5];
ub=[6;8];
[x,val]=fmincon(f,[0;0],A,b,[],[],lb,ub,@g);
function [c,ceq]=g(x)
c=x(1)^2-x(2);
ceq=0;
然后在command Windows下输入
[x,val]=s
令x=x1，y=x2，min F（x）=z
在MATLAB中编程
for x=-5:0.01:6
for y=-5:0.01:8
if ((y-x*x)>=0)&&((2-x-y)>=0)
z=(x-2)*(x-2)+(y-1)*(y-1);
else
di...
全部展开
令x=x1，y=x2，min F（x）=z
在MATLAB中编程
for x=-5:0.01:6
for y=-5:0.01:8
if ((y-x*x)>=0)&&((2-x-y)>=0)
z=(x-2)*(x-2)+(y-1)*(y-1);
else
disp('error');
continue;
end
end
end
z
最终得到 z=1；
收起