Re: Plot3D error
- To: mathgroup at smc.vnet.net
- Subject: [mg7347] Re: [mg7322] Plot3D error
- From: "Sherman.Reed" <sherman.reed at worldnet.att.net>
- Date: Tue, 27 May 1997 22:27:34 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
The answer is in the explanation provided.
the function is not real, it is complex. I use a Table command to see what
is going on when I run into such comments.
Plot and Plot3D only plot real values.
Sherman C. Reed
sherman.reed at worldnet.att.net
----------
> From: Darrmis <darrmis at aol.com>
To: mathgroup at smc.vnet.net
> To: mathgroup at smc.vnet.net
> Subject: [mg7347] [mg7322] Plot3D error
> Date: Friday, May 23, 1997 1:23 AM
>
> Hello everybody.
>
> Can anyone tell me what's wrong?
>
> Clear[x,y,z];
> Plot3D[(1+2 x+y^2)^(1/3),{x,-10,10},{y,-10,10}]
>
> gives me error: Plot3D::gval: Function value 0.4+0.7I at grid point
..is
> not real
> etc.
> And function is not completely plotted.
> Any suggestion would be appreciated.
>
> Karl Kevala