Re: Condition for pure functions
- To: mathgroup at smc.vnet.net
- Subject: [mg60292] Re: Condition for pure functions
- From: Misa <misa at hol.gr>
- Date: Sat, 10 Sep 2005 06:46:41 -0400 (EDT)
- References: <de9dbs$qa3$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Wonseok Shin wrote: > Hello everyone, > > Suppose that f[x] is defined as: > > f[x_ /; x > 0] := Sin[x]; > f[x_ /; x <= 0] := Tan[x]; > > How can transform the above definition into a pure function? > > I know > > f = Which[# > 0, Sin[#], # <= 0, Tan[#]] & > > is a one solution. But is there any clever way to use Condition (/;) > instead of Which[...] ? > does anybody have some informations of Lobachevski. if yes then please contact me
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