### Related

draw3d(key = "Gauss"...

Calculate

draw3d(key = "Gauss"...

Calculate

draw3d(key = "Gauss"...

Calculate

draw3d(key = "Gauss"...

Calculate

draw3d(key = "Gauss"...

Calculate

draw3d(zrange=[-2,20]...

Calculate

draw3d(key = "Gauss"...

Calculate

draw3d(key = "Gauss"...

Calculate

draw3d(key = "Gauss"...

Calculate

draw3d(zrange=[0,20],...

Calculate

Run Example
```(%i1)load(draw);
(%o1)            /usr/share/maxima/5.21.1/share/draw/draw.lisp
(%i2) draw3d(zrange=[0,20],color=blue,explicit(x^2+y^2-2*x-2*y,x,-4,4,y,-4,4),contour_levels=[2,2,8],contour=both,surface_hide=true);
plot```
Run Example
```load(draw);
(%o1)            /usr/share/maxima/5.21.1/share/draw/draw.lisp
(%i2)  draw3d(key = "Gauss",color = "\#a02c00",explicit((1 -x^2-y^2)**(1/2), x,-3,3, y,-3,3),yv_grid = 10,color = blue,key = "Plane",explicit(-1*((1 -x^2-y^2)**(1/2)), x,-3,3, y,-3,3),surface_hide = true);
plot```
Run Example
```load(draw);
(%o1)            /usr/share/maxima/5.21.1/share/draw/draw.lisp
(%i2)  draw3d(key = "Gauss",color = "\#a02c00",explicit((1 -x^2-y^2)**(1/2), x,-3,3, y,-3,3),yv_grid = 10,color = blue,key = "Plane",explicit(-1*(1 -x^2-y^2)**(1/2), x,-3,3, y,-3,3),surface_hide = true);
plot```

### Related Help

Help for Draw

Help for Draw3d

Help for Explicit