def test_Qobj_inv():
"Qobj inv"
data = _random_not_singular(5)
A = Qobj(data)
B = A.inv()
assert qeye(5) == A * B
assert qeye(5) == B * A
B = A.inv(sparse=True)
assert qeye(5) == A * B
assert qeye(5) == B * A
def test_Qobj_inv():
"Qobj inv"
data = _random_not_singular(5)
A = Qobj(data)
B = A.inv()
assert qeye(5) == A * B
assert qeye(5) == B * A
B = A.inv(sparse=True)
assert qeye(5) == A * B
assert qeye(5) == B * A
