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Re: good list

  • To: mathgroup at smc.vnet.net
  • Subject: [mg125124] Re: good list
  • From: Tomas Garza <tgarza10 at msn.com>
  • Date: Wed, 22 Feb 2012 05:34:18 -0500 (EST)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <201202211115.GAA08356@smc.vnet.net>

It would be nice to see the actual values you have, but you might start by using the test NumberQ on each of them so as to exclude those which yield False.
-Tomas

> Date: Tue, 21 Feb 2012 06:15:51 -0500
> From: Roberto.Brambilla at rse-web.it
> Subject: good list
> To: mathgroup at smc.vnet.net
>
> Hi to all,
>
> 
>
> I have a function  myfunc[x] (of some complexity) and I want to build
> the list of its values in the interval (a<=x<=b) with step
> dx=(b-a)/nstep
>
> 
>
> nstep=100;
>
> mylist=Table[{x,myfunc[x],{x,a,b,(b-a)/nstep}];
>
> 
>
> According to the input value, sometimes myfunc[x] is not able to give a
> numeric result
>
> (in my case a singular difficult numerical integral) . In others cases
> it works fine.
>
> My question is how to build the list with only the good cases.
>
> 
>
> Many thanks, Roberto
>
>
> RSE SpA ha adottato il Modello Organizzativo ai sensi del D.Lgs.231/2001, in forza del quale l'assunzione di obbligazioni da parte della Societ=E0 avviene con firma di un procuratore, munito di idonei poteri.
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    • good list
      • From: "Brambilla Roberto Luigi (RSE)" <Roberto.Brambilla@rse-web.it>
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