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Re: more elements in a list

• To: mathgroup at smc.vnet.net
• Subject: [mg32269] Re: [mg32241] more elements in a list
• From: Sseziwa Mukasa <mukasa at jeol.com>
• Date: Wed, 9 Jan 2002 23:37:27 -0500 (EST)
• Organization: JEOL (USA) Ltd.
• References: <200201090817.DAA23662@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

merkat wrote:

> Hi ,
>
> How do I multiply the number of elements in a list?
> I have the lists:
> {a,b,c}  and
> {2,5,4}
>
> the result should be:
> {a,a,b,b,b,b,b,c,c,c,c}
>
> Merkat

You could use

mult[a_,b_]:=Flatten[Table[#[[1]],{#[[2]]}]&/@Transpose[{a,b}]]

Ssezi

• References:
  • more elements in a list
    • From: merkat <cabanc@hotmail.com>