Re: Is it a bug?
- To: mathgroup at smc.vnet.net
- Subject: [mg17564] Re: Is it a bug?
- From: paulh (P.J. Hinton)
- Date: Mon, 17 May 1999 02:14:22 -0400
- Organization: Wolfram Research, Inc.
- References: <7hgdfs$4bu@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <7hgdfs$4bu at smc.vnet.net>, "F. Mittermayr" <mitterma at linz.vai.co.at> writes:
> A = {1 + Sqrt[2] I , 1 + 2 * 3 I};
> Cases[A, _Complex]
>
> Out[1] = {1+6 I}
>
> Isn't it a strange result?
No. When in doubt, look at the FullForm of the expression.
In[3]:= FullForm[A]
Out[3]//FullForm=
> List[Plus[1, Times[Complex[0, 1], Power[2, Rational[1, 2]]]],
> Complex[1, 6]]
The first element in your list has a head of Plus.
--
P.J. Hinton
Mathematica Programming Group paulh at wolfram.com
Wolfram Research, Inc. http://www.wolfram.com/~paulh/
Disclaimer: Opinions expressed herein are those of the author alone.