Fig. 9: An example R matrix from five qubits of the IBM Q Johannesburg machine using 8192 shots for each of the 25 possible states. | npj Quantum Information

Fig. 9: An example R matrix from five qubits of the IBM Q Johannesburg machine using 8192 shots for each of the 25 possible states.

From: Unfolding quantum computer readout noise

Fig. 9

Note that this matrix depends on the calibration quality, so while it is representative, it is not precisely the version valid for all measurements made on this hardware.

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