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MathGroup Archive 2005

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Re: Floor[] Not An Integer?

  • To: mathgroup at
  • Subject: [mg56519] Re: Floor[] Not An Integer?
  • From: "Jens-Peer Kuska" <kuska at>
  • Date: Thu, 28 Apr 2005 02:40:05 -0400 (EDT)
  • Organization: Uni Leipzig
  • References: <d4msf0$233$>
  • Sender: owner-wri-mathgroup at


Floor[x] is a symbolic expression, only for a x 
with a numeric value
it *evaluate* to an integer.


"Scott Guthery" <sguthery at> schrieb 
im Newsbeitrag news:d4msf0$233$1 at
> I'm trying to use some of the NumericalMath 
> approximations such as
> MiniMaxApproximation and RationalInterpolation 
> with a function that
> includes array references of the form 
> Array[[Floor[x]]].  The function
> plots and evaluates just fine but the 
> NumericalMath functions are
> reporting the error:
> "Part::pspec: Part specification Floor[x] is 
> neither an integer nor a
> list of integers."
> whereas the documentation states that Floor[x] 
> IS an integer.
> What am I missing?
> Thanks for any insight.
> Cheers, Scott

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