qgrad_qutip.to_dm

qgrad_qutip.to_dm(state)

Converts a ket or a bra into its density matrix representation using the outer product \(|x\rangle \langle x|\).

Parameters

state (jnp.ndarray) – input ket or a bra

Returns

density matrix representation of a ket or a bra

Return type

jnp.ndarray