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Re: Replace non-numeric values in a list

  • To: mathgroup at smc.vnet.net
  • Subject: [mg88783] Re: Replace non-numeric values in a list
  • From: Steven Siew <stevensiew2 at gmail.com>
  • Date: Fri, 16 May 2008 05:33:49 -0400 (EDT)
  • References: <g0h825$mtr$1@smc.vnet.net>

On May 15, 9:50 pm, "Adel Elsabbagh" <aelsabb... at gmail.com> wrote:
> Dear all,
>
> I have a list that contains numeric and non-numeric values
> list = { a, 1, 2, b, 3};
> How can I replace non-numeric values with zeros?
> Thanks!
>
> --
> Adel Elsabbaghhttp://www.svlab-asu.com/aelsabbagh.html


list={a,1,2,b,3};
myfunc[x_] /; Not[NumberQ[x]] = 0;
myfunc[x_] = x;
newlist = Simplify[list,TransformationFunctions -> myfunc]


Output is
{0,1,2,0,3}


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