2013-2014/4e/DM/DM_140401/rd_fact.py
2017-06-16 09:46:40 +03:00

59 lines
1.8 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
from random_expression import RdExpression
from random import choice
fact1 = RdExpression("{c}({a}x + {b}) + {f}({a}x + {b})",\
conditions = ["{b} > 0"], \
with_Exp = False)
fact2 = RdExpression("({a}x + {b})({c}x - {d}) + ({a}x + {b})({e}x + {f})",\
conditions = ["{b} > 0", "{d} > 0", "{f} > 0", "{e} != {c}"] , \
with_Exp = False)
fact3 = RdExpression("({a}x + {b})({c}x - {d}) + ({c}x - {d})({e}x - {f})",\
conditions = ["{b} > 0", "{d} > 0", "{f} > 0", "{d} != {f}"], \
with_Exp = False)
fact4 = RdExpression("({a}x + {b})({c}x - {d}) - ({a}x + {b})({e}x + {f})",\
conditions = ["{b} > 0", "{d} > 0", "{f} > 0", "{e} != {c}"], \
with_Exp = False)
fact5 = RdExpression("({a}x + {b})({c}x - {d}) - ({c}x - {d})({e}x - {f})",\
conditions = ["{b} > 0", "{d} > 0", "{f} > 0", "{d} != {f}"],\
with_Exp = False)
id_rmq1 = RdExpression("{a**2}x^2 + {2*a*b}x + {b**2}",\
conditions = ["{a} > 0", "{b} > 0"], \
with_Exp = False)
id_rmq2 = RdExpression("{a**2}x^2 - {2*a*b}x + {b**2}",\
conditions = ["{a} > 0", "{b} > 0"],\
with_Exp = False)
id_rmq3 = RdExpression("{a**2}x^2 - {b**2}",\
conditions = ["{a} > 0", "{b} > 0"], \
with_Exp = False)
rd_fact = lambda : choice([fact2, fact3, fact4, fact5])()
rd_id_rmq= lambda: choice([id_rmq1, id_rmq2, id_rmq3])()
fact = {"fact1" : fact1,\
"fact2": fact2, \
"fact3": fact3, \
"fact4": fact4, \
"fact5": fact5, \
"id_rmq1":id_rmq1, \
"id_rmq2":id_rmq2, \
"id_rm3": id_rmq3, \
"rd_fact" : rd_fact, \
"rd_id_rmq" : rd_id_rmq }
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