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MathGroup Archive 2000

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Re: Functional or rule-based ...

  • To: mathgroup at smc.vnet.net
  • Subject: [mg25010] Re: Functional or rule-based ...
  • From: Otto Linsuain <linsuain+ at andrew.cmu.edu>
  • Date: Fri, 1 Sep 2000 01:09:43 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

 Leko, this message bounced from your personal e-mail address, Otto.

 Excerpts from mail: 28-Aug-100 Returned mail: User unknown by Mail D.
Subsystem at andrew 
> Leko, from reading the task description (I haven't tried to solve the
> problem) it sounds like someting I would solve with functional
> programming. Your backgroung file can be put into a list of the form
> 
>  { {bckgd1,time1}, {bckgd2,time2},..........}
> 
>  from this it is not difficult to get the list
> 
>  { {(bckgr1+bckgd2)/2,time1,time2}, {(bckgd2+bckgd3)/2,time2,time3}, ..... }
> 
>  there enough automatic list processing commands in Mathematica to
> perform this task probably in several different ways. I recommend Power
> Programming in Mathematica - The Kernel, for a good description of those
> commands.
> 
>  You then have to selectively substract this list from the list
> representing the data. This is a little more involved because you may
> have to ask a question or two before you substract, but it is doable.
> 
>  I don't see enough pattern matching in this problem to suggest (at
> least at first glance) rule-based programming. I have used rule-based
> programming for simbolic things like reducing a big algebraic expression
> among objects that satisfy certain relations. In cases like that I find
> rule-based programming very useful in inputting the relations. Pattern 
> matching also tends to use more time.
> 
>  Otto. 



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