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qiskit.quantum_info.DensityMatrix.from_instruction

classmethod DensityMatrix.from_instruction(instruction)[source]

Return the output density matrix of an instruction.

The statevector is initialized in the state \(|{0,\ldots,0}\rangle\) of the same number of qubits as the input instruction or circuit, evolved by the input instruction, and the output statevector returned.

প্যারামিটার

instruction (qiskit.circuit.Instruction or QuantumCircuit) -- instruction or circuit

রিটার্নস

the final density matrix.

রিটার্ন টাইপ

DensityMatrix

রেইজেস

QiskitError -- if the instruction contains invalid instructions for density matrix simulation.