toricDiv -- constructs the toric Weil divisor associatied to a polytope

Synopsis

• Usage:

  toricDiv(X)

• Inputs:
  • X, a matrix, of vertices or a convex polyhedron.
• Outputs:
  • a toric divisor

Description

toricDiv is a funtion. It returns a toric divisor corresponding to a polytope P on the toric variety associated to the normal fan of P.

i1 : toricDiv(hypercube(2))

o1 = D  + D  + D  + D
      0    1    2    3

o1 : ToricDivisor on normalToricVariety ({{-1, 0}, {1, 0}, {0, -1}, {0, 1}}, {{0, 2}, {0, 3}, {1, 2}, {1, 3}})