6
votes
1answer
86 views

Animations or Pictures of Group of Rigid Motions (or Rotations) of the Cube

Consider a cube that exactly fills a certain cubical box. As in Examples 8.7 and 8.10, the ways in which the cube can be placed into the box corresponds to a certain group of permutations of the ...
1
vote
1answer
127 views

Producing tree diagrams of formulae and expressions. (software request)

By "tree," let us mean a tree that is finite, ordered and rooted; but not necessarily binary (that is, every node can have an arbitrary number of children). Under the definition, most mathematical ...
4
votes
5answers
3k views

Can One use mathematica or maple online?

Is it possible to use some of these algebra packages online ? I have some matrices that I would like to know the characteristic polynomial of. Where could I send them to get a nicely factorised answer ...