[Maxima] (no subject)
John Guenther
john.guenther at comcast.net
Mon Jul 31 21:00:02 CDT 2006
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It seems that one can't plot z as a constant function.
Neither of the following worked:
plot3d([u, v, 2], [u, -3,3],[v, -3,3], ['grid, 30, 30]); or
plot3d( 2, [x, -3,3],[y,-3,3],['grid, 30, 30]);
I also haven't been able to figure out how to plot more than one surface
in the same plot.
Here is a plot I'd like to be able to do:
A single figure showing: the plane 2 units above the xy-plane and
parallel to it, a plane parallel to the xz-plane and 2 units in the
positive y direction, a plane parallel to the yz-plane and 2 units in
the positive x direction and a sphere centered at (3,3,3) with a radius
of one.
Is this possible in maxima?
Again thanks to anyone willing to help.
John Guenther
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<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>It seems that one <span =
class=3DGramE>can’t</span> plot
z as a constant function.<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Neither of the following =
worked:<o:p></o:p></span></font></p>
<p class=3DMsoNormal><span class=3DGramE><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>plot3d(</span></font></span>=
<font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>[u, v, 2],
[u, -3,3],[v, -3,3], [‘grid, 30, 30]); =
or<o:p></o:p></span></font></p>
<p class=3DMsoNormal><span class=3DGramE><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>plot3d(</span></font></span>=
<font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'> 2, [x,
-3,3],[y,-3,3],[‘grid, 30, 30]);<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I also <span class=3DGramE>haven’t</span> been =
able to
figure out how to plot more than one surface in the same =
plot.<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Here is a plot <span class=3DGramE>I’d</span> =
like to be
able to do:<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>A single figure showing: the plane 2 units above the
xy-plane and parallel to it, a plane parallel to the xz-plane and 2 =
units in
the positive y direction, a plane parallel to the yz-plane and 2 units =
in the
positive x direction and a sphere centered at (3,3,3) with a radius of =
one.<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><span class=3DGramE><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>Is this possible in =
maxima?</span></font></span><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p=
>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Again thanks to anyone willing to =
help.<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>John Guenther<o:p></o:p></span></font></p>
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