Dinfio Documentation — Function Reference: quantum_circuit::density_operator()

Module quantum → Class quantum_circuit → density_operator()

Description

Get density operator of the circuit in little endian order

quantum_circuit::density_operator()

Parameters

There are no parameters.

Return Value

matrix — Returns the matrix representation of the density operator

Usage Example

import quantum
 
qc = quantum_circuit(2)
 
qc.h(0)
qc.x(1)
 
rho = qc.density_operator()
rho.print()
 
 
' Output:
' [   0 + 0i   0 + 0i   0 + 0i   0 + 0i
'     0 + 0i   0 + 0i   0 + 0i   0 + 0i
'     0 + 0i   0 + 0i 0.5 + 0i 0.5 + 0i
'     0 + 0i   0 + 0i 0.5 + 0i 0.5 + 0i ]