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Options in user-defined functions...

• To: mathgroup at smc.vnet.net
• Subject: [mg60332] Options in user-defined functions...
• From: Daniele Lupo <danwolf80_no_spam_ at libero.it>
• Date: Tue, 13 Sep 2005 06:07:17 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Hi to all.

I've a little problem with a function. I've defined it in this way:

fun[x_,op1_:1,op2_:2,op3_:3]:=
Module[{....},f1[x,op1],f2[x,op2],f3[x,op3]]

So, when I use it, ops have their default values.

It works, but I'd like to use option; this why, if I want to change only
op3, I must to write every argument when I call the function, while I'd
like to write something like this:

fun[x,op3->4]

how can I do it?

Thanks for you answers

Daniele

• Follow-Ups:
  • Re: Options in user-defined functions...
    • From: Manuel Schmidt <Manuel.Schmidt@physik.uni-wuerzburg.de>