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dq.isbra

isbra(x: ArrayLike) -> bool

Returns True if the array is in the format of a bra.

Parameters

  • x (array_like of shape (...))

    Array.

Returns

True if the second to last dimension of x is 1, False otherwise.

Examples

>>> dq.isbra(jnp.ones((1, 3)))
True
>>> dq.isbra(jnp.ones((5, 1, 3)))
True
>>> dq.isbra(jnp.ones((3, 3)))
False