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Re: Definitions of the functions

• To: mathgroup at smc.vnet.net
• Subject: [mg34979] Re: Definitions of the functions
• From: Mark Westwood <MarkCWestwood at compuserve.com>
• Date: Mon, 17 Jun 2002 03:26:56 -0400 (EDT)
• Organization: CompuServe Interactive Services
• References: <aeh407$dqb$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Pawe³

Try something like:

f[x_]:=x/;x<-5
f[x_]:=x*x/; -5<=x<18
f[x_]:=Sin[x]

Regards
Mark Westwood

"Pawe³ Ga³ecki" wrote:
> 
> How do I define a function that is described by different formulas depending
> of the interval which the argument is given in????
> For example:
> 
> y=x             for  -inf<x<-5
> y=x*x          for  -5<=x<18
> y=sin x        for all the remaining values of x.
> 
> Anybody got a clue???
> 
> Thanks,
> Pawe³ Ga³ecki