doc/info/figures/draw_unit_vectors.mac

   1 load("docdraw.mac");
   2
   3 docdraw2d("figures/draw_unit_vectors",
   4         xrange  = [-1,6],
   5         yrange = [-1,6],
   6         head_length = 0.1,
   7         vector([0,0],[5,2]),
   8         unit_vectors = true,
   9         color = red,
  10         vector([0,3],[5,2]))$