Re: equaltity of lists
- To: mathgroup at smc.vnet.net
- Subject: [mg19058] Re: equaltity of lists
- From: "P.J. Hinton" <paulh at wolfram.com>
- Date: Thu, 5 Aug 1999 01:34:49 -0400
- Organization: "Wolfram Research, Inc."
- References: <7o5ih1$rml@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
On 2 Aug 1999, Drago Ganic wrote:
> Hi !!
>
> Why don't I get an answer (False) when I ask Mathematica
>
> {a,b}=={b,a}
>
> like the one I get with
>
> {1,2}=={2,1}
> False
In order to get False as a result in your first example, you must use a
stronger logical test function than Equal[]. You need to use SameQ[].
In[1]:= {a,b} === {b,a}
Out[1]= False
--
P.J. Hinton
Mathematica Programming Group paulh at wolfram.com
Wolfram Research, Inc.
Disclaimer: Opinions expressed herein are those of the author alone.