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Re: Need help to find position of max location

  • To: mathgroup at smc.vnet.net
  • Subject: [mg86570] Re: [mg86525] Need help to find position of max location
  • From: Sseziwa Mukasa <mukasa at jeol.com>
  • Date: Thu, 13 Mar 2008 20:53:56 -0500 (EST)
  • References: <200803130930.EAA01422@smc.vnet.net>

On Mar 13, 2008, at 2:30 AM, haitomi wrote:

> Hi All,
>
> I would like to find position of this problem
>
> Write a function that returns a list that gives the column location  
> of the largest integer in each row of a matrix (a list of lists) of  
> random integers between 30 and 99.
>
> Example, for the following 3 X 4 matrix the result is
>
> {1,2,1}
>
> {
>  {82, 71, 62, 47},
>  {52, 96, 31, 36},
>  {94, 52, 86, 12},
>
> }
>
> t=Table[RandomInteger[{30,99}],{i,1,3},{j,1,4}]
>
> max=Map[Max,t]
>
> and I stuck at Position of each Row, if someone can help me.

What if the maximum value occurs multiple times in a row?

Try

Flatten[Position[#,Max[#]]&/@t]

Regards,

Sseziwa


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