qulacs.state
======================

.. py:module:: qulacs.state



Package Contents
----------------


Functions
~~~~~~~~~

.. list-table:: 
   :header-rows: 0
   :widths: auto

   * - :py:obj:`drop_qubit`
     - Drop qubits from state
   * - :py:obj:`from_json`
     - from json string
   * - :py:obj:`inner_product`
     - Get inner product
   * - :py:obj:`make_mixture`
     - Create a mixed state
   * - :py:obj:`make_superposition`
     - Create superposition of states
   * - :py:obj:`partial_trace`
     - 
   * - :py:obj:`permutate_qubit`
     - 
   * - :py:obj:`tensor_product`
     - 



.. py:function:: drop_qubit(state: qulacs.QuantumState, target: List[int], projection: List[int]) -> qulacs.QuantumState

   Drop qubits from state


.. py:function:: from_json(json: str) -> qulacs.QuantumStateBase

   from json string


.. py:function:: inner_product(state_bra: qulacs.QuantumState, state_ket: qulacs.QuantumState) -> complex

   Get inner product


.. py:function:: make_mixture(prob1: complex, state1: qulacs.QuantumStateBase, prob2: complex, state2: qulacs.QuantumStateBase) -> qulacs.DensityMatrix

   Create a mixed state


.. py:function:: make_superposition(coef1: complex, state1: qulacs.QuantumState, coef2: complex, state2: qulacs.QuantumState) -> qulacs.QuantumState

   Create superposition of states


.. py:function:: partial_trace(state: qulacs.QuantumState, target_traceout: List[int]) -> qulacs.DensityMatrix
              partial_trace(state: qulacs.DensityMatrix, target_traceout: List[int]) -> qulacs.DensityMatrix


.. py:function:: permutate_qubit(state: qulacs.QuantumState, qubit_order: List[int]) -> qulacs.QuantumState
              permutate_qubit(state: qulacs.DensityMatrix, qubit_order: List[int]) -> qulacs.DensityMatrix


.. py:function:: tensor_product(state_left: qulacs.QuantumState, state_right: qulacs.QuantumState) -> qulacs.QuantumState
              tensor_product(state_left: qulacs.DensityMatrix, state_right: qulacs.DensityMatrix) -> qulacs.DensityMatrix