Re: Function definition
- To: mathgroup at smc.vnet.net
- Subject: [mg18216] Re: Function definition
- From: Guilherme Roschke <gr at network3.entropy.upenn.edu>
- Date: Tue, 22 Jun 1999 20:41:11 -0400
- Organization: University of Pennsylvania
- References: <7kmtmi$230@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Jesus Perez Ortega wrote: > > Hi All, > How can I restrict a variable to be Real in the function definition? > Regards > -- > Jesus Perez Ortega > jesper at bqto.unexpo.edu.ve say your function is foo[x_]:=x/2; define instead foo[x_Real]:=x/2; this way the pattern x will only match a real number. ************************************************* Guilherme Roschke * Programmer * Dept. of Anesthesia * University of Pennsylvania Medical School * gr at network3.entropy.upenn.edu * *************************************************