Re: Problem with RegionFunction
- To: mathgroup at smc.vnet.net
- Subject: [mg88051] Re: Problem with RegionFunction
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 23 Apr 2008 04:07:03 -0400 (EDT)
- Organization: Uni Leipzig
- References: <fukern$s4l$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi,
try
Manipulate[
Plot3D[Sin[x]*Cos[y], {x, 1, 10}, {y, 2, 10},
RegionFunction -> Function[{x, y}, 45 <= (y^x)],
Exclusions -> x == 0], {dummy, {True, False}}]
because y^x for x==0 and y==0 is undefined.
Regards
Jens
zac wrote:
> Dear Group,
>
> any idea what is the problem with the output of this Manipulate?
>
> Manipulate[
> Plot3D[Sin[x]*Cos[y],{x,1,10},{y,2,10},RegionFunction->Function[{x,y},
> 45<=(y^x)]]
> ,{dummy,{True,False}}]
>
> Interestingly none of the following codes produces errors:
>
> Plot3D[Sin[x]*Cos[y], {x, 1, 10}, {y, 1, 10},
> RegionFunction -> Function[{x, y}, 45 <= (y^x)]]
>
> Manipulate[
> Plot3D[Sin[x]*Cos[y], {x, 1, 10}, {y, 1, 10},
> RegionFunction -> If[region, All, Function[{x, y}, 45 <= (y^x)]]]
> , {region, {True, False}}]
>
> Any suggestion would be appreciated.
> Thanks in advance,
> Istvan Zachar
>