Min/max

[urvashi]

If a function does not have any stationary points does it imply it has no local max or local min?

[Var1995]

No. for instance, the fn y= |x| does not have stationary points but still it has a point of local minima( at 0).

[urvashi]

thanx a lot varsha in the example thogh 0 is the global min

[Var1995]

we have local max/min at critical points, i.e., at stationary points or at points where the derivative doesn't exist. here, we are calling '0' as the point of local minima as the fn is not differentiable at the point, and it's possible for a local min/max to be a point of global min/max.

On Sat, Apr 30, 2016 at 9:56 PM, urvashi [via Discussion forum] <[hidden email]> wrote:

thanx a lot varsha in the example thogh 0 is the global min

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