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Probabilities

The Probabilities panel shows a bar chart of the measurement outcome probabilities for your circuit - one bar per computational basis state:

Probabilities panel

  • The x-axis lists computational basis states (e.g. 00000, 00010, 00100, ...)
  • The y-axis shows probability as a percentage
  • Bars update live as you build your circuit

Info

Click the ⓘ icon (top-right of the panel) to see an explanation of what the chart shows:

Measurement probabilities |⟨x|ψ⟩|² for each computational basis state after running the circuit. Toggle the table icon to see exact values, or hide near-zero outcomes from the options menu.

Table view

Click the table icon (top-right of the panel, next to info) to switch from the bar chart to an exact-value table, listing every basis state with its precise probability:

Probabilities table view

Options menu

Click the ⋮ (more options) icon to open a menu with:

Probabilities options menu

  • Hide zeros - hide basis states with (near-)zero probability from the chart/table
  • Download SVG / Download PNG / Download CSV - export the current chart or table
  • Move window right / Close window - see Managing windows