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Re: Re: Replace list element based on a condition how to
Thanks to all for the many great replies in this thread. That clears up my misunderstanding of how datatypes are implemented in Mathematica. I can see they may result in replace pattern failures if you are not mindful of a variable's datatype. - Kurt ----- Original Message ---- From: Bill Rowe <readnews at sbcglobal.net> To: mathgroup at smc.vnet.net Sent: Fri, January 22, 2010 3:40:26 AM Subject: [mg106763] [mg106747] Re: Replace list element based on a condition how to On 1/21/10 at 4:53 AM, canopus56 at yahoo.com (Canopus56) wrote: >Another newbie type question. Several responders recommended: >>In:= lst1 /. n_Integer :> fncHourFix[n] >Q1. What is the "_Integer" part of "n_Integer"? This and more is answered in the documentation. See tutorial/PatternsOverview for various details about patterns and pattern matching. For a the specific answer to the question above, see the fourth entry which can be directly accessed as tutorial/SpecifyingTypesOfExpressionInPatterns . . ..