Python subs 예제들

예제 #1

파일: test_hyperexpand.py 프로젝트: vprusso/sympy

 def t(m, a, b):
     from sympy import sympify, Piecewise
     a, b = sympify([a, b])
     m_ = m
     m = hyperexpand(m)
     if not m == Piecewise((a, abs(z) < 1), (b, abs(1/z) < 1), (m_, True)):
         return False
     if not (m.args[0].args[0] == a and m.args[1].args[0] == b):
         return False
     z0 = randcplx()/10
     if abs(m.subs(z, z0).n() - a.subs(z, z0).n()).n() > 1e-10:
         return False
     if abs(m.subs(z, 1/z0).n() - b.subs(z, 1/z0).n()).n() > 1e-10:
         return False
     return True

예제 #2

파일: test_hyperexpand.py 프로젝트: vperic/sympy

 def t(m, a, b):
     from sympy import sympify, Piecewise
     a, b = sympify([a, b])
     m_ = m
     m = hyperexpand(m)
     if not m == Piecewise((a, abs(z) < 1), (b, abs(1/z) < 1), (m_, True)):
         return False
     if not (m.args[0].args[0] == a and m.args[1].args[0] == b):
         return False
     z0 = randcplx()/10
     if abs(m.subs(z, z0).n() - a.subs(z, z0).n()).n() > 1e-10:
         return False
     if abs(m.subs(z, 1/z0).n() - b.subs(z, 1/z0).n()).n() > 1e-10:
         return False
     return True