Re: function's local constants interdependence
- To: mathgroup at smc.vnet.net
- Subject: [mg69614] Re: [mg69612] function's local constants interdependence
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Sun, 17 Sep 2006 22:45:44 -0400 (EDT)
- Reply-to: hanlonr at cox.net
Clear[a, b, x, y]
ff[x_, y_] := Module[{a = x, b}, b = 2*a; {a, b}] ;
ff[x,y]
{x,2 x}
Bob Hanlon
---- rych <rychphd at gmail.com> wrote:
> Could someone please help me find a decent way to have local constants
> defined using one another in order?
> Simple "With[" doesn't work:
>
> Clear[a,b,x,y]
> ff[x_,y_]:=With[{a=x, b=2*a},{a,b}]
> ff[x,y]
> > {x,2 a}
>
> where I'd like it be >{x, 2 x}. I suspect it would work with "Module["
> but I especially wanted them to be constants.
>
> Do I have to nest With[ ? Or is there a prettier way?
> Thanks
> Igor
>