1 | initial version |
S
consists of two 1-simplices: two edges. W
is a single edge. Their product, therefore, consists of two squares: [0,1] x [0,1]
and [1,2] x [0,1]
. If you triangulate the squares by drawing diagonals on each one, you get four triangles. Those are the four facets in S.product(W)
.