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求教图解法二元最优化问题?minf(X)=x12+x22-4x1+4满足于g1(X)=-x1+x2-2≤0g2(X)=x12-x2+1≤0g3(X)=-x1≤0

题目详情
求教 图解法 二元最优化问题?
min f(X) = x12 + x22 - 4x1 + 4
满足于
g1(X) = - x1 + x2 - 2 ≤0
g2(X) = x12 - x2 + 1 ≤0
g3(X) = - x1 ≤0
▼优质解答
答案和解析
f(X) = x12 + x22 - 4x1 + 4 =(x1-2)^2+x2^2即f(X)表示的是点(x1,x2)到(2,0)点的距离的平方g1(X) = - x1 + x2 - 2 ≤0等价于x2≤x1+2g2(X) = x12 - x2 + 1 ≤0等价于x12 + 1≤x2g3(X) = - x1 ≤0由g1(X)g2(X)g3(...