Re: MemberQ
- To: mathgroup at smc.vnet.net
- Subject: [mg68557] Re: [mg68503] MemberQ
- From: gardyloo <gardyloo at mail.wsu.edu>
- Date: Wed, 9 Aug 2006 04:20:47 -0400 (EDT)
- References: <200608081028.GAA29635@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, Bruce,
I suspect the same thing is happening here as in the documentation
for Position: the numbers are imprecise. It seems strange to me to do
this for MemberQ, but it works:
In[81]:=
MemberQ[Range[0, 1, 0.1],
_?(Inequality[0.69, Less, #1, LessEqual, 0.700001] & )]
Out[81]=
True
Hope that helps!
C.O.
Bruce Colletti wrote:
> Re Mathematica 5.2.0.0.
>
> Since 0.7 is in the set {0.0, 0.1, 0.2,..., 0.9, 1.0}, why does MemberQ[Range[0., 1., .1], .7] return False?
>
> Thankx.
>
> Bruce
>
>
>
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Curtis Osterhoudt
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- References:
- MemberQ
- From: Bruce Colletti <vze269bv@verizon.net>
- MemberQ