outer_product

forest.benchmarking.operator_tools.calculational.outer_product(bra1: numpy.ndarray, bra2: numpy.ndarray) → numpy.ndarray

Given two possibly complex row vectors bra1 and bra2 construct the outer product:

|bra1> <bra2|

Parameters:

• bra1 – Is a dim by 1 np.ndarray.
• bra2 – Is a dim by 1 np.ndarray.

Returns:

the outer product.