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Re: Convert Array to Simple List

  • To: mathgroup at smc.vnet.net
  • Subject: [mg86973] Re: Convert Array to Simple List
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Fri, 28 Mar 2008 03:12:54 -0500 (EST)
  • Organization: The Open University, Milton Keynes, UK
  • References: <fsg6j6$iuk$1@smc.vnet.net>

Pierre wrote:
> I need to convert an Array (List of List) to a simple List by concatening the colums or the lines.
> 
> e.g. : {{a,b},{c,d}}  ==>{a,b,c,d}
> or
> {{a,b},{c,d}}  ==>{a,c,b,d}


In[1]:= m = {{a, b}, {c, d}};

In[2]:= Flatten@m

Out[2]= {a, b, c, d}

In[3]:= Flatten@Transpose@m

Out[3]= {a, c, b, d}


Regards,
-- 
Jean-Marc




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