Partial Measurement of a quantum system
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Is there a way to introduce projective measurement in a circuit.
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UDAYA PEDDIRAJU
on 23 Jul 2024
Hi John,
the following snippet shows how to do projective measurements.
% Create a quantum circuit with two qubits
circuit = quantumCircuit(2);
% Apply a Hadamard gate to qubit 1
circuit = hGate(circuit, 1);
% Perform a CNOT operation controlled by qubit 1 on qubit 2
circuit = cxGate(circuit, 1, 2);
% Perform a projective measurement on qubit 2
result = measure(circuit, 2);
% Access the measurement result (either 0 or 1)
measured_state = result.Result;
% Access the probability of obtaining the measured state
probability = result.Probability;
% Display the results
disp(['Measured state of qubit 2: ', num2str(measured_state)]);
disp(['Probability of measured state: ', num2str(probability)]);
you can refer qc toolbox: https://www.mathworks.com/products/quantum-computing.html
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