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MathGroup Archive 2004

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Re: Controlling function arguments

  • To: mathgroup at smc.vnet.net
  • Subject: [mg48825] Re: [mg48817] Controlling function arguments
  • From: DrBob <drbob at bigfoot.com>
  • Date: Fri, 18 Jun 2004 02:12:47 -0400 (EDT)
  • References: <200406170807.EAA27782@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

NumberVectorQ[x] returns True if x is a vector of numbers.

Bobby

On Thu, 17 Jun 2004 04:07:39 -0400 (EDT), Virgil Stokes <Virgil.Stokes at it.uu.se> wrote:

> I found the following Mathematica code:
>
>   NumberVectorQ[x_] := VectorQ[x] && And @@ NumberQ /@ x;
>   functionx[k_Integer?Positive, v_?NumberVectorQ, w_?NumberVectorQ,
> q_?NumberVectorQ] := .....
>
> where, I have left out the body of this function (functionx). What does
> the first line actually accomplish?
>
> --V. Stokes
>
>
>
>
>



-- 
DrBob at bigfoot.com
www.eclecticdreams.net/index.html


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