Add license to examples
[linpy.git] / 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)