[Date Index] [Thread Index] [Author Index]

Re: lists

• To: mathgroup@smc.vnet.net
• Subject: [mg10548] Re: lists
• From: Allan Hayes <hay@haystack.demon.co.uk>
• Date: Tue, 20 Jan 1998 16:53:52 -0500
• References: <69nc3r$8bh@smc.vnet.net>

Paul.Hanson@colorado.edu wrote:
> 
> Hola!
>   So, if you have a couple of lists:
>   {{1},{2},{3},{4}....{n}}
> and
>   {{1a},....{na}}
> and I want to combine them such that,
>   {{1},{1a},{2},{2a}....{n},{na}}
> 
> How do I get there?  Thanks in advance for the help.
> 
> Paul Hanson
> 
> --
>                                  * *
>                                 *    *
>                            /\    */\*
>                           /  \   /  \ /\

Paul:

l1 = {{1},{2},{3},{4}};
l2 = {{1a},{2a},{3a},{4a}};

Flatten[Transpose[{l1,l2}],1]

{{1},{a},{2},{2 a},{3},{3 a},{4},{4 a}} -- 
Allan Hayes
Training and Consulting
Leicester, UK
hay@haystack.demon.co.uk
http://www.haystack.demon.co.uk
voice: +44 (0)116 271 4198
fax: +44 (0)116 271 8642