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Re: Definition of the similarity in a set of integers

  • To: mathgroup at smc.vnet.net
  • Subject: [mg96417] Re: Definition of the similarity in a set of integers
  • From: dh <dh at metrohm.com>
  • Date: Fri, 13 Feb 2009 03:42:50 -0500 (EST)
  • References: <gn11rc$8bq$1@smc.vnet.net>


Hi Ryan,

what about the difference of the ordered sets?

Daniel



Ryan Markley wrote:

> Hello I have two sets of integers eg

> 

> S1 = (25,14,32,45) and S2 = (26,12,31,48)

> 

> I want to define an operation similar to the variance that give me how

> similar both sets are, for example in the above example for both sets

> the results I have to get need to be similar because both sets are

> similar.

> 

> The problem with the variance is this

> 

> S1 = (25,1,1,1) and S2 = (1,1,25,1) these two sets have the same

> variance but they are completly different. What mathematical operation

> can I use to do what I am looking for.

> 

> Thanks a lot in advance.

> 




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