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A general time-independent Bra in quantum mechanics.

Inherits from State and BraBase. A Bra is the dual of a Ket [1]_. This
class and its subclasses will be the main classes that users will use for
expressing Bras in Dirac notation.

Parameters
==========

args : tuple(more...)

src/s/y/sympy-HEAD/sympy/core/tests/test_args.py   sympy(Download)
def test_sympy__physics__quantum__innerproduct__InnerProduct():
    from sympy.physics.quantum import Bra, Ket, InnerProduct
    b = Bra('b')
    k = Ket('k')
    assert _test_args(InnerProduct(b, k))
def test_sympy__physics__quantum__operator__OuterProduct():
    from sympy.physics.quantum.operator import OuterProduct
    from sympy.physics.quantum import Ket, Bra
    b = Bra('b')
    k = Ket('k')