examples/diamond.py

   1 #!/usr/bin/env python3
   2
   3 from pypol import *
   4
   5 x, y = symbols('x y')
   6 diam = Ge(y, x - 1) & Le(y, x + 1) & Ge(y, -x - 1) & Le(y, -x + 1)
   7 print('diamond:', diam)
   8 print('projected on x:', diam.project([y]))