--- /dev/null
+#!/usr/bin/env python3
+
+# This is the code example used in the tutorial. It shows how to define and
+# manipulate polyhedra.
+
+import code
+
+
+class InteractiveConsole(code.InteractiveConsole):
+ def push(self, line=''):
+ if line:
+ print('>>>', line)
+ return super().push(line)
+ else:
+ print()
+
+
+if __name__ == '__main__':
+
+ shell = InteractiveConsole()
+
+ shell.push('from linpy import *')
+ shell.push("x, y = symbols('x y')")
+ shell.push()
+
+ shell.push('square1 = Le(0, x, 2) & Le(0, y, 2)')
+ shell.push('square1')
+ shell.push()
+
+ shell.push("square2 = Polyhedron('1 <= x <= 3, 1 <= y <= 3')")
+ shell.push('square2')
+ shell.push()
+
+ shell.push('inter = square1.intersection(square2) # or square1 & square2')
+ shell.push('inter')
+ shell.push()
+
+ shell.push('hull = square1.convex_union(square2)')
+ shell.push('hull')
+ shell.push()
+
+ shell.push('proj = square1.project([y])')
+ shell.push('proj')
+ shell.push()
+
+ shell.push('inter <= square1')
+ shell.push('inter == Empty')
+ shell.push()
+
+ shell.push('union = square1.union(square2) # or square1 | square2')
+ shell.push('union')
+ shell.push('union <= hull')
+ shell.push()
+
+ shell.push('diff = square1.difference(square2) # or square1 - square2')
+ shell.push('diff')
+ shell.push('~square1')