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qiskit.quantum_info.Statevector.draw

Statevector.draw(output=None, **drawer_args)[source]

Return a visualization of the Statevector.

repr: ASCII TextMatrix of the state's __repr__.

text: ASCII TextMatrix that can be printed in the console.

latex: An IPython Latex object for displaying in Jupyter Notebooks.

latex_source: Raw, uncompiled ASCII source to generate array using LaTeX.

qsphere: Matplotlib figure, rendering of statevector using plot_state_qsphere().

hinton: Matplotlib figure, rendering of statevector using plot_state_hinton().

bloch: Matplotlib figure, rendering of statevector using plot_bloch_multivector().

city: Matplotlib figure, rendering of statevector using plot_state_city().

paulivec: Matplotlib figure, rendering of statevector using plot_state_paulivec().

Parameters
  • output (str) -- Select the output method to use for drawing the state. Valid choices are repr, text, latex, latex_source, qsphere, hinton, bloch, city, or paulivec. Default is repr. Default can be changed by adding the line state_drawer = <default> to ~/.qiskit/settings.conf under [default].

  • drawer_args -- Arguments to be passed directly to the relevant drawing function or constructor (TextMatrix(), array_to_latex(), plot_state_qsphere(), plot_state_hinton() or plot_bloch_multivector()). See the relevant function under qiskit.visualization for that function's documentation.

Returns

matplotlib.Figure or str or TextMatrix or IPython.display.Latex: Drawing of the Statevector.

Raises

ValueError -- when an invalid output method is selected.

Examples

Plot one of the Bell states

from numpy import sqrt
from qiskit.quantum_info import Statevector
sv=Statevector([1/sqrt(2), 0, 0, -1/sqrt(2)])
sv.draw(output='hinton')

(Source code)

../_images/qiskit-quantum_info-Statevector-draw-1.png