def variational_circuit():
    # BUILD VARIATIONAL CIRCUIT HERE - START

    # import required qiskit libraries if additional libraries are required
    num_qubits = 5
    # build the variational circuit
    var_circuit = RealAmplitudes(num_qubits, entanglement='full', reps=3)
    var_circuit.draw()
    # BUILD VARIATIONAL CIRCUIT HERE - END

    # return the variational circuit which is either a VaritionalForm or QuantumCircuit object
    return var_circuit  # # the write_and_run function writes the content in this cell into the file "optimal_params.py"
Exemple #2
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def variational_circuit():
    # BUILD VARIATIONAL CIRCUIT HERE - START
    
    # import required qiskit libraries if additional libraries are required
    num_qubits = 3
    # build the variational circuit
    var_circuit = RealAmplitudes(num_qubits, entanglement='full', reps=3)
    var_circuit.draw()
    # BUILD VARIATIONAL CIRCUIT HERE - END
    
    # return the variational circuit which is either a VaritionalForm or QuantumCircuit object
    return var_circuit