f(x)=ax^2-2x,(x∈[0,1])求f(x)最小值g(a)详细答案,谢谢
问题描述:
f(x)=ax^2-2x,(x∈[0,1])求f(x)最小值g(a)
详细答案,谢谢
答
f
答
当a=0时,g(a)=-2,此时x=1
当a>0时,g(a)=-0.5a,此时x=0.5
当a