Tag: ibm-q-experience

17 What would a very simple quantum program look like? 2018-03-29T06:51:03.897

16 Which subatomic particle does each company use in quantum computing? 2020-02-27T19:32:23.020

11 How can a controlled-Ry be made from CNOTs and rotations? 2018-05-25T10:42:39.130

11 What is a "barrier" in Qiskit circuits? 2019-09-30T17:10:29.583

10 Implementation of the oracle of Grover's algorithm on IBM Q using three qubits 2018-05-31T22:35:40.077

10 How to implement the 4 Bell states on the IBM Q (composer)? 2018-06-07T15:03:24.000

10 Submitting jobs to IBM devices without Python 2019-01-10T22:46:55.327

9 How to implement the "Square root of Swap gate" on the IBM Q (composer)? 2018-06-04T06:48:49.567

9 Quantum algorithm for linear systems of equations (HHL09): Step 2 - Preparation of the initial states $|\Psi_0\rangle$ and $|b\rangle$ 2018-06-24T07:08:52.883

8 How to delete pending jobs on IBM Quantum Computer to retrieve units? 2018-05-19T18:56:31.730

8 Practical Implementations of QECCs in IBM Q Experience 2018-06-05T09:59:30.530

8 Phase-Shift Gate in Qiskit 2018-06-26T16:52:18.747

8 Depolarizing channel implementation on IBM Q 2018-10-07T00:18:00.340

8 Qubits specification on IBMQ devices 2018-10-30T02:47:15.883

8 How to quickly calculate the custom U3 gate parameters $\theta, \phi$ and $\lambda$ for any unitary? 2019-05-26T02:35:17.127

7 What is the purpose of the TDG gate in QISKit? 2018-07-19T19:03:33.407

7 How can I get access to IBM Q 20 Tokyo and IBM Q 20 Austin? 2018-09-12T06:53:08.773

7 How are Rigetti and IBM QX device parameters related to Kraus operators? 2018-11-05T21:52:22.943

7 How does measurement calibration work? 2019-05-17T10:46:07.143

7 Is it possible to run a general implementation Shor's algorithm on a real IBM quantum computer at least for N = 15? 2019-09-27T18:05:12.787

7 Changing one qubit causes changes in another independent qubit on ibmqx2 in IBM Q Experience 2019-12-28T05:38:53.850

7 What are the differences between the IBM machines? 2020-08-14T11:51:24.867

6 How to implement a Square root of Swap gate that swaps 2n-qubits on the IBM Q (composer)? 2018-06-08T09:03:47.183

6 What is maximum circuit depth and size IBM Q5 and Q16 could handle? 2019-03-20T19:29:11.417

6 Physical implementation of gates on IBM Q 2020-03-17T12:36:05.123

6 What are examples of quantum computing platforms availble for free (other than IBM Q)? 2020-04-28T22:23:35.497

5 How to implement a random selection of one of the 3 qubits on the IBM Q (composer)? 2018-06-15T06:10:22.577

5 Controlled-U operation in IBMQ 2018-06-26T16:10:50.620

5 Why use U2 and U1 gate in IBM quantum computers? 2019-09-01T17:28:30.573

5 How to parallelly run a quantum circuit on IBMQ? 2019-10-28T08:10:41.373

5 Trying to build a circuit for quantum teleportation on IBMQ I get ERROR_RUNNING_JOB error 2019-11-05T12:42:46.517

5 What does the error rate on the IBMQ website mean´╝č 2019-12-05T08:54:06.130

5 Custom gates on IBM Q 2019-12-13T13:04:08.193

5 Reversal of time arrow on IBM Q 2019-12-25T16:24:18.423

5 How to implement the CCH gate in quantum computers available in clouds? 2020-01-05T09:38:42.050

5 How to run a qasm file on IBMQ device? 2020-01-29T19:48:33.960

5 Why is a different convention used for the $Rz$ implementation on IBM Q? 2020-05-07T11:32:18.160

5 How to make circuit for n-control Z gate( i.e $C^3Z$ )? 2020-05-09T19:06:00.247

5 How to not optimize the quantum gates in a qiskit circuit when running it in the real device? 2020-06-06T11:54:21.373

5 What's meant by the depth of a quantum circuit? 2020-11-01T06:48:32.570

5 My IBM quantum account has been disabled 2020-12-15T07:46:35.673

5 How to create the state $\vert 0 \rangle+i \vert 1 \rangle$ using elementary gates? 2021-01-18T16:15:06.850

5 Why can I not apply a control gate/function to a gate like T, S, S dagger, ... (using IBM Quantum Experience)? Is there another option? 2021-01-19T12:08:17.940

4 Comparing run times on IBM Quantum Experience 2018-07-30T15:07:51.117

4 How to deal with -LookupError: backend "ibmqx4" is not found? 2018-09-12T07:47:12.397

4 Qiskit - How do we measure the same single qubit system multiple times while also getting the counts/results after each measurement? 2019-02-07T22:06:11.787

4 Why is there a difference between the simulation results and the actual quantum computer results? 2019-02-14T03:46:12.787

4 Implementing a depolarizing channel for 2 qubits on IBM Q 2019-04-29T08:49:20.973

4 IBM Q devices' hardware/resource constraints 2019-05-27T18:44:23.560

4 IBM Q devices scheduling of gates with different durations 2019-06-03T19:02:09.167

4 Results from looped experiments on IBM Q different than individual experiments 2019-06-05T17:20:14.000

4 Back End for Reset Gate 2019-06-11T01:32:13.510

4 How to upload .py file to new online Qiskit Notebook 2019-07-02T21:02:17.967

4 How do I get out 2 measurements from the same execution on Qiskit? 2019-07-05T16:39:31.733

4 What is the IBM Q credits? 2019-08-14T08:34:32.680

4 Access results from an experiment without having to run the script again 2019-08-29T07:41:36.717

4 Overview of Cirq, qiskit, q#, ibmq(circuit board), other 2019-09-11T03:15:59.333

4 Problem with measurement error mitigation using VQE 2019-11-01T21:40:18.880

4 Vary parameter between shots 2019-11-25T04:48:47.583

4 What is the state of the art on Quantum Random Access Memories? 2020-01-04T12:54:40.760

4 Implementing four oracles for the Deutsch Algorithm (preferably on IBM Q Experience) 2020-01-16T19:00:05.710

4 Simpler implementation of the Toffoli gate on IBM Q for special circumstances 2020-02-12T10:41:49.690

4 How can I get the entire histogram in a 5 qubit program done in IBM quantum experience machine? 2020-02-27T10:08:56.630

4 What are the differences between the different transpiler optimization levels in qiskit 2020-04-11T18:23:52.967

4 Moore's law for quantum computers 2020-05-31T06:58:23.373

4 How to create the logical $|0_L\rangle$ state for the Steane's 7-qubit code? 2020-07-23T20:20:18.453

4 Form and effect of the intrinsic Hamiltonian on the IBM machines 2020-07-30T13:08:20.487

4 Why are there such different UGate and U3Gate implementations in the Qiskit documentation? 2020-08-20T07:28:58.113

4 How to perform this $d$-dimensional unitary operation on IBM Q? 2020-10-29T03:29:29.513

4 Simple Hadamard Circuit gives incorrect results? 2021-01-01T12:30:50.670

4 CERTIFICATE_VERIFY_FAILED after updating Python when trying to access results in IBM QE 2021-02-06T03:14:27.143

3 Qiskit Python program cannot connect to QE API 2018-10-01T20:56:35.623

3 How to run algorithms on IBMQ via Qiskit-Aqua? 2018-10-15T21:23:33.563

3 Is it possible to expand/merge different circuits? 2018-12-09T21:06:54.233

3 Why can't you run a teleportation circuit on an IBM Q device? 2018-12-16T16:09:26.130

3 Why can't I connect to an IBMQ device? 2019-01-28T20:11:48.710

3 Consistent QISkit error: "All devices are currently unavailable" 2019-02-18T03:38:51.267

3 How much variation is there in the results between each quantum computer on the IBMQ Quantum Experience system? 2019-03-07T04:36:09.957

3 Making a maximally mixed 2-qubit state in the IBM Q 2019-04-29T23:21:54.677

3 What interesting properties can I measure with a 1 qubit state? 2019-04-30T05:13:31.670

3 How do the credit points work in IBM quantum experience? 2019-05-25T21:22:34.717

3 Implementing Deutsch's problem on IBM Q composer 2019-06-02T18:18:34.330

3 2-qubit QFT in IBMQ: controlled phase rotation 2019-06-03T20:06:33.123

3 How to implement the XY Heisenberg interaction using IBMQ and Qiskit? 2019-06-04T23:00:25.557

3 Weeding out qubit states with leftmost qubit as 1 2019-06-10T14:56:39.183

3 Bell State 11 not working for parity curve 2019-06-18T09:28:07.900

3 Bug in IBM backend? 2019-06-18T21:41:27.413

3 Bug report bug report? 2019-06-20T00:49:46.280

3 What does a quantum circuit look like after qiskit.compile() has been applied? 2019-06-26T18:21:35.867

3 Measuring Coherence Length for T1 and T2 values with IBMQ Experience 2019-06-27T14:50:37.827

3 Chose how to map virtual qubits to physical qubits 2019-07-28T23:21:56.393

3 IBMQ.load_account from stored ACCOUNT is failing on Qiskit 0.9.0 2019-09-04T15:30:25.960

3 IBM 53 qubit cloud access 2019-10-10T21:05:24.443

3 Existing measurement error mitigation 2019-11-01T01:56:47.290

3 Explanation of output produced by the following quantum circuit 2019-11-26T10:47:27.897

3 How to put a quantum computer on the cloud? 2019-11-28T07:11:43.820

3 Is there a way to output a circuit from Qiskit to the IBM Q Experience circuit composer? 2019-12-02T23:44:47.407

3 Why IBM devices have the same number of qubit and the same architecture, but the error rates are different? 2019-12-16T16:41:34.467

3 Writing twice to same classical register -> 1 for some backends in IBM Q Experience 2019-12-27T00:59:03.387