Re: more elements in a list
- To: mathgroup at smc.vnet.net
- Subject: [mg32261] Re: [mg32241] more elements in a list
- From: BobHanlon at aol.com
- Date: Wed, 9 Jan 2002 23:37:16 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
In a message dated 1/9/02 3:37:06 AM, cabanc at hotmail.com writes:
>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}
>
Flatten[Table[#[[1]], {#[[2]]}] & /@ Transpose[{{a, b, c}, {2, 5, 4}}]]
or
Flatten[Inner[Table[#1, {#2}] &, {a, b, c}, {2, 5, 4}, List ]]
Bob Hanlon
Chantilly, VA USA