#c程序:对x=1,2,3,....10,求f(x)=x*x-5*xsin(x)的最小值
答: f(x)=x^2-5xsin(x)=[x-2.5sin(x)]^2-6.25[sin(x)]^2
对于x=1,2,3......10
当x=2和3时,[x-2.5sin(x)]^2最小,
x=2和3中,x=3时,-6.25【sin(x)]^2最小。
则F(x)最小值=f(3)=9-15sin(3)
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答: f(x)=x^2-5xsin(x)=[x-2.5sin(x)]^2-6.25[sin(x)]^2
对于x=1,2,3......10
当x=2和3时,[x-2.5sin(x)]^2最小,
x=2和3中,x=3时,-6.25【sin(x)]^2最小。
则F(x)最小值=f(3)=9-15sin(3)