I am a beginner when it comes to quantum computing so forgive me if this is a dumb question. Does anyone know how to create a gate from any matrix on OpenQasm2? Specifically, can anyone provide any tips on how to convert a matrix to Qubit rotations using the U gate in OpenQasm2? Also, could you form an addition gate using a similarly designed matrix in this answer
Here's one example of a way to do it programmatically:
from cirq import Circuit, LineQubit, ops from qbraid.interface import random_unitary_matrix from qbraid.transpiler.cirq_qasm import to_qasm n_qubits = 1 matrix = random_unitary_matrix(dim=2**n_qubits) qubits = [LineQubit(i) for i in range(n_qubits)] circuit = Circuit(ops.MatrixGate(matrix)(*qubits)) qasm_str = to_qasm(circuit) print(circuit) print(qasm_str)
┌ ┐ 0: ───│-0.255-0.574j 0.266-0.731j│─── │-0.644-0.436j 0.131+0.615j│ └ ┘ // Generated from qBraid v0.4.0 OPENQASM 2.0; include "qelib1.inc"; // Qubits: [q(0)] qreg q; u3(pi*1.4327602146,pi*0.822476743,pi*0.2440365932) q;
Can then track the qbraid.transpiler.cirq_qasm.to_qasm source code back through cirq.QasmOutput and break down the procedure step-by-step.