Re: something nice I found today, return multiple values from a function
- To: mathgroup at smc.vnet.net
- Subject: [mg113118] Re: something nice I found today, return multiple values from a function
- From: Albert Retey <awnl at gmx-topmail.de>
- Date: Wed, 13 Oct 2010 12:40:51 -0400 (EDT)
- References: <i927an$3io$1@smc.vnet.net>
Hi,
> Opps, I was in middle of editing and pasted earlier version, here is the
> final version:
>
> ------------------
> getPointCoordinates[x_, y_] := Module[{}, {x -> 10, y -> 7}]
>
> p = getPointCoordinates[x, y];
> x = x /. p;
> y = y /. p;
>
> Print["x=", x]
> Print["y=", y]
>
> x=10
> y=7
>
1) I think it has been mentioned in another post today: Module with an
empty list is just an elaborate noop: You better just say:
getPointCoordinates[x_, y_] := {x -> 10, y -> 7}
2) you also might like this:
makepoint[p_Symbol,xx_,yy_]:=(p[x]=xx;p[y]=yy; p);
makepoint[p,10,7]
p@x
p@y
hth,
albert