清大暑期進修班Maple 6 作業 

 
8-1 Construct the torus using the command 
"tubeplot". 
8-2 Construct two tori as thus: 
8-3 Construct the torus using the command 
"plot3d". 
8-4 Construct the torus by pasting two patches 
as thus: 
8-5 Construct one half of a torus so its 
cross-section consists of two concentric 
circles. 
8-6 Construct one half of a torus so its 
cross-section consists of two disjoint circles.
8-7 Construct one half of a torus so its 
cross-section consists of two intersecting 
circles. These circles are called Villarceaux circles.
8-8 Construct one half of a torus so its 
cross-section consists of two interlocking 
circles in space. 
8-9 Construct a knot as thus: 
8-10 Construct knots as thus: 
8-11 Construct a twisted torus whose sections are 
formed by regular triangles: