iplot_state_qsphere
iplot_state_qsphere(rho, figsize=None)
Create a Q sphere representation.
Graphical representation of the input array, using a Q sphere for each eigenvalue.
Parameters
- rho (array) – State vector or density matrix.
- figsize (tuple) – Figure size in pixels.
Example
from qiskit import QuantumCircuit, BasicAer, execute
from qiskit.visualization import iplot_state_qsphere
%matplotlib inline
qc = QuantumCircuit(2, 2)
qc.h(0)
qc.cx(0, 1)
qc.measure([0, 1], [0, 1])
backend = BasicAer.get_backend('statevector_simulator')
job = execute(qc, backend).result()
iplot_state_qsphere(job.get_statevector(qc))
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