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Qiskit CNOT-gate matrix mixup?

qiskit quantum-gate entanglement pauli-gates

modified yesterday Egretta.Thula 1,392

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How to get the $a^{(\gamma)}_L(x)$ in Fixed-Point Quantum Search with an Optimal Number of Queries

quantum-gate grovers-algorithm

modified 2 days ago user1271772 10.5k

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Vector math of applying an X-gate on an $|i\rangle$ basis state

quantum-gate mathematics textbook-and-exercises matrix-representation bloch-sphere

modified 2 days ago glS♦ 14.3k

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How to implement the 4 Bell states on the IBM Q (composer)?

quantum-gate entanglement ibm-q-experience

modified Jul 25 at 0:14 Raj Quantum Compute Rajen 1

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How does one interpret intuitively the CNOT gate?

quantum-gate entanglement

answered Jul 22 at 5:11 ljc 1

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How to derive the CNOT matrix for a 3-qubit system where the control & target qubits are not adjacent?

quantum-gate mathematics gate-synthesis

answered Jul 20 at 16:04 Quantum Guy 123 668

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Circuit for fault tolerant syndrome measurements Steane Code

quantum-gate error-correction

answered Jul 18 at 10:01 GotCarter 71

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How should we interpret these quantum logic gates as physical observables?

quantum-gate quantum-operation

modified Jul 17 at 12:43 glS♦ 14.3k

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ibmq_16_melbourne system of Qiskit giving wrong result for Bernstein-Vazirani Algorithm

programming quantum-gate algorithm

modified Jul 16 at 9:11 glS♦ 14.3k

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Two qubit gate decomposition in using Qiskit

programming quantum-gate qiskit compiling

modified Jul 16 at 9:04 Community♦ 1

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How to perform a plot histogram for a circuit?

programming qiskit quantum-gate quantum-state circuit-construction

modified Jul 16 at 7:31 Lena 2,009

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IBM quantum circuit - order of tensor product for equivalent matrix

quantum-gate circuit-construction tensor-product

modified Jul 15 at 17:01 Community♦ 1

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Getting exponential sequence of coefficients with not so many $T$-gates

quantum-gate quantum-circuit clifford-group stabilizer-state

answered Jul 13 at 22:17 Craig Gidney 14.3k

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Measuring the accuracy of a circuit output?

programming qiskit quantum-gate ibm-q-experience

modified Jul 12 at 12:41 316327 81

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