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MathGroup Archive 2007

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Re: Segregating the elements of a list based on given lower and upper

  • To: mathgroup at smc.vnet.net
  • Subject: [mg77320] Re: Segregating the elements of a list based on given lower and upper
  • From: dh <dh at metrohm.ch>
  • Date: Wed, 6 Jun 2007 07:32:37 -0400 (EDT)
  • References: <f43hin$342$1@smc.vnet.net>


Hi,

look up "BinLists" and "BinCounts" in the manual. Mathematica Version 6
has more comfortable versions of these routines.

hope this helps, Daniel



R.G wrote:

> Hi Mathgroup members,

> 

> Say, I have a list with the following elements:

> 

> A={6.32553, 7.09956, 8.56784, 16.1871, 15.3989, 17.2285, 7.40711, \

> 14.8876, 19.9068, 10.0834}

> 

> and I have the following list with each {xvalue, yvalue}={lower bound,

> upper bound}:

>  B={{0, 7}, {8, 10}, {11, 12}, {13, 15}, {16, 18}}

> 

> How can I segregate values in A according to lower bound and upper

> bound from B and find the number number of occurrence ?For example:

> {0,7}={6.32553}, thus the number of occurrence is 1.

> {8, 10}={7.09956,7.40711,8.56784}, the number of occurrence is 3.

> {11,12}=None, the number of occurrence is 0.

> 

> The code should be able work for any number Length[A] and Length[B].

> Any suggestion please?

> Thank you,

> R.G

> 

> 




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