radial -- defines the radial vector field

• Usage:

  radial n

• Inputs:
  • n, an integer, number of variables minus one
• Outputs:
  • an instance of the type DiffAlgField, the radial vector field in the n-dimensional projective space

i1 : radial 2

o1 = x ax  + x ax  + x ax
      0  0    1  1    2  2

o1 : DiffAlgField