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Re: Count pattern

  • To: mathgroup at smc.vnet.net
  • Subject: [mg41301] Re: [mg41289] Count pattern
  • From: "Mihajlo Vanevic" <mvane at eunet.yu>
  • Date: Wed, 14 May 2003 08:08:24 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Soren, try

In[ ]:=
t = {1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 17, 27, 28, 30, 36, 50};

s = {1, 1, 1, 2, 2, 3, 4, 5, 6, 7, 8, 8, 10, 12, 12, 14, 17, 20, 27, 27, 28, 
      30, 30, 36, 38, 40, 45, 50, 50, 50, 63, 132, 132};


In[ ]:=
cnt[t_, s_] := 
    Range[Length[t]] + Length[s] - 
      Flatten[Position[Sort[Flatten[{t, s + I}]], _Integer]];

In[ ]:=
cnt[t, s]

Out[ ]=
{33, 30, 28, 27, 26, 25, 24, 23, 21, 20, 18, 17, 15, 13, 12, 10, 6}


Regards,				 
         Mihajlo Vanevic
         2003-05-13

**************************************************************
*    At 2003-05-13, 04:19:00 
*        Søren_Merser, merser at image.dk  wrote:
**************************************************************
>hi there
>
>i need a litle help on a problem that has puzzeled me for some time
>
>i want to count the number of elements in s with value greater or equal 
>to each element in t
>
>t = {1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 17, 27, 28, 30, 36, 50}
>
>s = {1, 1, 1, 2, 2, 3, 4, 5, 6, 7, 8, 8, 10, 12, 12, 14, 17, 20, 27, 
>27, 28, 30, 30, 36, 38, 40, 45, 50, 50, 50, 63, 132, 132}
>
>the result should be: {33, 30, 28, 27, 26, 25, 24, 23, 21, 20, 18, 17, 
>15, 13, 12, 10, 6}
>
>
>
>kind regards soren
**************************************************************







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