关于qiskit版本>1.0.0,execute函数被替换
关于下列代码,当qiskit版本大于1时,无法使用execute函数,定义transpiled_circuit和run函数来替换。
import numpy as np
from qiskit import QuantumCircuit, Aer, executedef calculate_hydrogen_energy():# Definir el circuito cuánticocircuit = QuantumCircuit(2, 2)circuit.h(0)circuit.cx(0, 1)circuit.measure([0, 1], [0, 1])# Simular el circuito cuánticosimulator = Aer.get_backend('qasm_simulator')job = execute(circuit, simulator, shots=1000)result = job.result()counts = result.get_counts(circuit)
更新的代码如下,transpiler使用文档参考(https://docs.quantum.ibm.com/api/qiskit/transpiler)
import numpy as np
from qiskit import QuantumCircuit, transpile
from qiskit_aer import Aerdef calculate_hydrogen_energy():# Define the quantum circuitcircuit = QuantumCircuit(2, 2)circuit.h(0)circuit.cx(0, 1)circuit.measure([0, 1], [0, 1])# Simulate the quantum circuitsimulator = Aer.get_backend('qasm_simulator')transpiled_circuit = transpile(circuit, simulator)job =simulator.run(transpiled_circuit, shots=1000)result = job.result()counts = result.get_counts(circuit)# Example calculation (for demonstration purposes)# Note: You might need an actual calculation for the hydrogen molecule’s energy.energy = counts.get("00", 0) - counts.get("11", 0) # Placeholder for energy calculationreturn energy