Re: How to find the Max of a Piecewise function
- To: mathgroup at smc.vnet.net
- Subject: [mg90431] Re: How to find the Max of a Piecewise function
- From: Szabolcs Horvát <szhorvat at gmail.com>
- Date: Wed, 9 Jul 2008 04:53:46 -0400 (EDT)
- References: <g4vk81$9pv$1@smc.vnet.net>
Aaron Fude wrote:
> Hi,
>
> If f is deined according to
>
> f[x_] := Piecewise[{{1, x < 1}, {2, x > 1}}]
>
> then
>
> Max[f[Range[0, 1, .001]]]
>
> does not yield the desired result. What's the proper way to approach
> this?
>
f is not Listable. One way to achieve the behaviour you expect is to
set this attribute on it:
SetAttributes[f, Listable]
But it may be simpler and better to just use Max[f /@ Range[0,1,.001]]