Re: Options in user-defined functions...

*To*: mathgroup at smc.vnet.net*Subject*: [mg60343] Re: [mg60332] Options in user-defined functions...*From*: Manuel Schmidt <Manuel.Schmidt at physik.uni-wuerzburg.de>*Date*: Wed, 14 Sep 2005 03:27:11 -0400 (EDT)*References*: <200509131007.GAA09758@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Hi, try this code: Options[func]={option1->False,option2->True}; func[x1_,x2_,optns___]:=Block[{someInternalVariables,o1Flag,o2Flag}, o1Flag=option1/.{optns}/.Options[func]; o2Flag=... ] Regards, Manuel On Tue, 2005-09-13 at 06:07 -0400, Daniele Lupo wrote: > 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

**References**:**Options in user-defined functions...***From:*Daniele Lupo <danwolf80_no_spam_@libero.it>