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geom3d

  

radius

  

compute the radius of a given object

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

radius(obj)

Parameters

obj

-

geometric object

Description

• 

If obj is a sphere, radius(obj) returns the radius of obj.

• 

If obj is a regular polyhedron or an archimedean solid, radius(obj) returns the radius of the circum-sphere which passes through all the vertices.

• 

If obj is a dual of an archimedean solid, radius(obj) returns the radius of the in-sphere which touches all the faces.

• 

The command with(geom3d,radius) allows the use of the abbreviated form of this command.

Examples

withgeom3d:

spheres,x2+y2+z2=2,x,y,z

s

(1)

radiuss

2

(2)

tetrahedront,pointo,0,0,0,1

t

(3)

radiust

1

(4)

See Also

geom3d[InRadius]

geom3d[MidRadius]

geom3d[polyhedra]

geom3d[sphere]

 


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