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Re: Replace non-numeric values in a list

• To: mathgroup at smc.vnet.net
• Subject: [mg88747] Re: Replace non-numeric values in a list
• From: Szabolcs Horvát <szhorvat at gmail.com>
• Date: Fri, 16 May 2008 05:26:56 -0400 (EDT)
• Organization: University of Bergen
• References: <g0h825$mtr$1@smc.vnet.net>

Adel Elsabbagh 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!
> 

This is one possibility:

Replace[{a, 1, 2, b, 4}, x_ /; ! NumericQ[x] -> 0, 1]