def breakup(eq):
"""break up powers assuming (not checking) that eq is a Mul:
b**(Rational*e) -> b**e, Rational
commutatives come back as a dictionary {b**e: Rational}
noncommutatives come back as a list [(b**e, Rational)]
"""
(c, nc) = (dict(), list())
for (i, a) in enumerate(
Mul.make_args(eq)
or [eq]): # remove or [eq] after 2114 accepted
a = powdenest(a)
(b, e) = a.as_base_exp()
if not e is S.One:
(co, _) = e.as_coeff_mul()
b = Pow(b, e / co)
e = co
if a.is_commutative:
if b in c: # handle I and -1 like things where b, e for I is -1, 1/2
c[b] += e
else:
c[b] = e
else:
nc.append([b, e])
return (c, nc)
def breakup(eq):
"""break up powers of eq when treated as a Mul:
b**(Rational*e) -> b**e, Rational
commutatives come back as a dictionary {b**e: Rational}
noncommutatives come back as a list [(b**e, Rational)]
"""
(c, nc) = (defaultdict(int), list())
for a in Mul.make_args(eq):
a = powdenest(a)
(b, e) = base_exp(a)
if e is not S.One:
(co, _) = e.as_coeff_mul()
b = Pow(b, e/co)
e = co
if a.is_commutative:
c[b] += e
else:
nc.append([b, e])
return (c, nc)
def breakup(eq):
"""break up powers assuming (not checking) that eq is a Mul:
b**(Rational*e) -> b**e, Rational
commutatives come back as a dictionary {b**e: Rational}
noncommutatives come back as a list [(b**e, Rational)]
"""
(c, nc) = (dict(), list())
for (i, a) in enumerate(Mul.make_args(eq)):
a = powdenest(a)
(b, e) = a.as_base_exp()
if e is not S.One:
(co, _) = e.as_coeff_mul()
b = Pow(b, e/co)
e = co
if a.is_commutative:
if b in c: # handle I and -1 like things where b, e for I is -1, 1/2
c[b] += e
else:
c[b] = e
else:
nc.append([b, e])
return (c, nc)
