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Qiskit (Python)
IBMãéçºããQiskitã¯ãPythonã§æžãããåºã䜿çšãããŠãããªãŒãã³ãœãŒã¹ã®éåã³ã³ãã¥ãŒãã£ã³ã°ãã¬ãŒã ã¯ãŒã¯ã§ããPythonã¯åçåä»ãèšèªã§ãããQiskitã¯ãªããžã§ã¯ãæåèšèšãšåãã³ãã®äœ¿çšãéããŠãããçšåºŠã®åå®å šæ§ãæäŸããŸããäŸãã°ãQiskitã¯éåããããéåã¬ãžã¹ã¿ãéååè·¯ã衚çŸããããã®ç¹å®ã®ã¯ã©ã¹ãå®çŸ©ããŠããŸãã
ããããQiskitã®åå®å šæ§ã¯Pythonã®åçåä»ãã«ãã£ãŠå¶éãããŸããäžé©åãªåã颿°ãæäœã«æž¡ããããšãå®è¡æã«åãšã©ãŒãçºçããå¯èœæ§ããããŸããããã軜æžããããã«ãQiskitã¯ãŠããããã¹ããšå®è¡æãšã©ãŒãã§ãã¯ã«å€§ããäŸåããŠããŸãã
Qiskitã®åå®å šæ§ãåäžãããããã«ãéçºè ã¯Pythonã®åãã³ãæ©èœãå©çšããMyPyã®ãããªéçåãã§ãã«ãŒã䜿çšã§ããŸããããã«ãããQiskitã³ãŒãã®éçåæãšãå®è¡æåã®åãšã©ãŒã®æ€åºãå¯èœã«ãªããŸãã
äŸïŒåãã³ãä»ãQiskitïŒïŒ
```python from qiskit import QuantumCircuit from qiskit.quantum_info import Statevector def prepare_bell_state(circuit: QuantumCircuit) -> QuantumCircuit: """Prepares a Bell state in the given quantum circuit.""" circuit.h(0) circuit.cx(0, 1) return circuit # Example usage: qc = QuantumCircuit(2) qc = prepare_bell_state(qc) print(qc.draw()) ```
Cirq (Python)
GoogleãéçºããCirqã¯ãPythonã§æžãããããäžã€ã®äººæ°ã®ãããªãŒãã³ãœãŒã¹éåã³ã³ãã¥ãŒãã£ã³ã°ãã¬ãŒã ã¯ãŒã¯ã§ããQiskitãšåæ§ã«ãCirqã¯ãªããžã§ã¯ãæåèšèšãšåãã³ãã®äœ¿çšãéããŠãããçšåºŠã®åå®å šæ§ãæäŸããŸããCirqã®åã·ã¹ãã ã¯Qiskitããããããã«å³å¯ã§ãéçè§£æãšåãã§ãã¯ã«ããéç¹ã眮ããŠããŸãã
Cirqã¯éåããããã²ãŒããåè·¯ã衚çŸããããã®ç¹å®ã®ã¯ã©ã¹ãå®çŸ©ããåãã³ãã䜿çšããŠåå¶çŽã匷å¶ããŸãããŸããCirqã¯åãšã©ãŒããã®ä»ã®æœåšçãªåé¡ããã§ãã¯ããéçè§£æããŒã«ãå«ããéååè·¯ã®æ£ç¢ºæ§ãæ€èšŒããããã®ããŒã«ãæäŸããŠããŸãã
äŸïŒåãã³ãä»ãCirqïŒïŒ
```python import cirq def create_ghz_state(num_qubits: int) -> cirq.Circuit: """Creates a GHZ state on the given number of qubits.""" qubits = [cirq.GridQubit(i, 0) for i in range(num_qubits)] circuit = cirq.Circuit() circuit.append(cirq.H(qubits[0])) for i in range(num_qubits - 1): circuit.append(cirq.CNOT(qubits[i], qubits[i + 1])) return circuit # Example usage: ghz_circuit = create_ghz_state(3) print(ghz_circuit) ```
PennyLane (Python)
XanaduãéçºããPennyLaneã¯ãPythonã§æžãããéåæ©æ¢°åŠç¿ãã¬ãŒã ã¯ãŒã¯ã§ããPennyLaneã¯åŸ®åå¯èœãªéåããã°ã©ãã³ã°ã«çŠç¹ãåœãŠãŠãããéååè·¯ãæ©æ¢°åŠç¿ã¯ãŒã¯ãããŒã«çµ±åããããšãã§ããŸããQiskitãCirqãšåæ§ã«ãPennyLaneã¯Pythonã®ãªããžã§ã¯ãæåæ©èœãšåãã³ããæŽ»çšããŠãããçšåºŠã®åå®å šæ§ãæäŸããŸãã
PennyLaneã®åã·ã¹ãã ã¯ãéååè·¯ãšTensorFlowãPyTorchã®ãããªå€å žçãªæ©æ¢°åŠç¿ã©ã€ãã©ãªãšã®çµ±åããµããŒãããããã«èšèšãããŠããŸããPennyLaneã¯éåæäœã枬å®ãéåããã€ã¹ã衚çŸããããã®ç¹å®ã®åãå®çŸ©ãããããã®åãæ£ãã䜿çšãããããšãä¿èšŒããããã«åãã³ãã䜿çšããŸãã
äŸïŒåãã³ãä»ãPennyLaneïŒïŒ
```python import pennylane as qml from pennylane import numpy as np dev = qml.device("default.qubit", wires=2) @qml.qnode(dev) def quantum_circuit(params: np.ndarray) -> np.ndarray: """A simple quantum circuit with parameterized gates.""" qml.RX(params[0], wires=0) qml.RY(params[1], wires=1) qml.CNOT(wires=[0, 1]) return qml.probs(wires=[0, 1]) # Example usage: params = np.array([0.5, 0.2]) probabilities = quantum_circuit(params) print(probabilities) ```
Q# (Microsoft)
MicrosoftãéçºããQ#ã¯ãéåã³ã³ãã¥ãŒãã£ã³ã°å°çšã«èšèšããããã¡ã€ã³åºæã®ããã°ã©ãã³ã°èšèªã§ããPythonããŒã¹ã®ãã¬ãŒã ã¯ãŒã¯ãšã¯ç°ãªããQ#ã¯éçåä»ãèšèªã§ãããã¯ããã«é«ãã¬ãã«ã®åå®å šæ§ãæäŸããŸããQ#ã®åã·ã¹ãã ã¯ãå³å¯ãªåå¶çŽã匷å¶ããã³ã³ãã€ã«æã«åãšã©ãŒãææããããã«èšèšãããŠããŸãã
Q#ã¯ãéåããããéåã¬ãžã¹ã¿ãéåã²ãŒããéååè·¯ã衚çŸããããã®ç¹å®ã®åãå®çŸ©ããŠããŸããQ#ã³ã³ãã€ã©ã¯åºç¯ãªåãã§ãã¯ãå®è¡ããäºææ§ã®ããããŒã¿ã«å¯ŸããŠæäœãå®è¡ãããåå¶çŽãæºããããŠããããšãä¿èšŒããŸããããã«ãããã©ã³ã¿ã€ã ãšã©ãŒã®ãªã¹ã¯ãå€§å¹ ã«åæžãããéåããã°ã©ã ã®ä¿¡é Œæ§ãåäžããŸãã
äŸïŒQ#ïŒïŒ
```qsharp namespace Quantum.HelloQ { open Microsoft.Quantum.Intrinsic; open Microsoft.Quantum.Canon; operation SayHelloQ() : Unit { mutable qubits = new Qubit[1]; using (qubits = Qubit[1]) { Message($"Hello quantum world!"); Set(Zero, qubits[0]); H(qubits[0]); // The following line would cause a compile-time error if you try to apply // a classical operation to a qubit. // let classicalValue = M(qubits[0]); ResetAll(qubits); } } } ```
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