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MathGroup Archive 2004

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Re: Boolean Type

  • To: mathgroup at smc.vnet.net
  • Subject: [mg52438] Re: [mg52415] Boolean Type
  • From: Selwyn Hollis <sh2.7183 at misspelled.erthlink.net>
  • Date: Sat, 27 Nov 2004 01:40:36 -0500 (EST)
  • References: <200411260604.BAA24200@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

You've got it right in the Real case, although you might want

   f[x_?NumericQ]

instead. If by 'boolean variable' you mean one that has values in 
{True, False}, then this will do the trick:

   f[x_?(MemberQ[{True, False}, #] &)]


-----
Selwyn Hollis
http://www.appliedsymbols.com
(edit reply-to to reply)


On Nov 26, 2004, at 1:04 AM, JMyers6761 wrote:

> All,
> 	I would like to define a function wich would work (in different ways) 
> for both
> real and boolean input argruments. How should I best implement a 
> function which
> would implement the following intent?
>
> func[x_Real]:= some function involving a real varialble x
>
> func[x_Boolean]:= some function involving a boolean variable x
>
> Thanks for any help.
>
> Al Myers
>
>
>
>


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