qiskit/quantum_info/operators/channel/chi.py
def _tensor_product(self, other, reverse=False):
        """Return the tensor product channel.

        Args:
            other (QuantumChannel): a quantum channel.
            reverse (bool): If False return self ⊗ other, if True return
                            if True return (other ⊗ self) [Default: False
        Returns:
            Chi: the tensor product channel as a Chi object.

        Raises:
            QiskitError: if other is not a QuantumChannel subclass.
        """
        if not isinstance(other, Chi):
            other = Chi(other)
        if reverse:
            input_dims = self.input_dims() + other.input_dims()
            output_dims = self.output_dims() + other.output_dims()
            data = np.kron(other.data, self._data)
        else:
            input_dims = other.input_dims() + self.input_dims()
            output_dims = other.output_dims() + self.output_dims()
            data = np.kron(self._data, other.data)
        return Chi(data, input_dims, output_dims)
def _tensor_product(self, other, reverse=False):
        """Return the tensor product channel.

        Args:
            other (QuantumChannel): a quantum channel.
            reverse (bool): If False return self ⊗ other, if True return
                            if True return (other ⊗ self) [Default: False
        Returns:
            Chi: the tensor product channel as a Chi object.

        Raises:
            QiskitError: if other is not a QuantumChannel subclass.
        """
        if not isinstance(other, Chi):
            other = Chi(other)
        if reverse:
            input_dims = self.input_dims() + other.input_dims()
            output_dims = self.output_dims() + other.output_dims()
            data = np.kron(other.data, self._data)
        else:
            input_dims = other.input_dims() + self.input_dims()
            output_dims = other.output_dims() + self.output_dims()
            data = np.kron(self._data, other.data)
        return Chi(data, input_dims, output_dims)
def _tensor_product ( self , other , reverse = False ) : if not isinstance ( other , Chi ) : other = Chi ( other ) if reverse : input_dims = self . input_dims ( ) + other . input_dims ( ) output_dims = self . output_dims ( ) + other . output_dims ( ) data = np . kron ( other . data , self . _data ) else : input_dims = other . input_dims ( ) + self . input_dims ( ) output_dims = other . output_dims ( ) + self . output_dims ( ) data = np . kron ( self . _data , other . data ) return Chi ( data , input_dims , output_dims )
Return the tensor product channel.

        Args:
            other (QuantumChannel): a quantum channel.
            reverse (bool): If False return self ⊗ other, if True return
                            if True return (other ⊗ self) [Default: False
        Returns:
            Chi: the tensor product channel as a Chi object.

        Raises:
            QiskitError: if other is not a QuantumChannel subclass.
Return the tensor product channel .