examples/bac2014.py

   1 #!/usr/bin/env python3
   2 #
   3 # Copyright 2014 MINES ParisTech
   4 #
   5 # This file is part of LinPy.
   6 #
   7 # LinPy is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # LinPy is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with LinPy.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 from linpy import *
  21
  22 x, y, z = symbols('x y z')
  23 DF = Eq(x, y) & Eq(z, 6 - 2*x)
  24 P = Eq(x + y - 2*z, 0)
  25
  26 print('DF ∩ P =', DF & P)