pygsti.tools.optools.state_to_dmvec

state_to_dmvec(psi)

Compute the vectorized density matrix which acts as the state psi.

This is just the outer product map |psi> => |psi><psi| with the output flattened, i.e. dot(psi, conjugate(psi).T).

Parameters:

psi (numpy array) – The state vector.

Returns:

The vectorized density matrix.

Return type:

numpy array