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Re: Extracting a sub-list?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg37944] Re: Extracting a sub-list?
  • From: Mark Westwood <MarkCWestwood at compuserve.com>
  • Date: Thu, 21 Nov 2002 00:38:10 -0500 (EST)
  • References: <arg52u$6bd$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Angle

Try something like

Cases[Table[x/2, {x, 1, 5}], _Integer]

Hope this helps.

Regards
Mark Westwood

AngleWyrm wrote:
> 
> How do I extract the subset of answers in a list that are pure integers?
> As an example,
> 
> in:
> Table[x/2, {x, 1, 5}]
> IntegerQ /@ %
> 
> out:
> { 1/2, 1, 3/2, 2, 5/2 }
> { False, True, False, True, False }
> 
> But I want to get a result of:
> { 1, 2 }
> 
> -:¦:-
> AngleWyrm


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