Quantum Computing
Sponsored by
Sponsored logo

Scholar

 Scholar
Ask a question and accept an answer.
Awarded 1052 times.
Error “too many subscripts in einsum”, UnitaryGate()
Awarded Mar 31 at 8:56
Quantum SVM with large feature set
Awarded Mar 31 at 2:20
Show that the Bell states form a basis
Awarded Mar 30 at 17:08
In the job tab, no histogram appears
Awarded Mar 29 at 18:25
Incorrect rendering of a circuit by draw method
Awarded Mar 28 at 9:47
How would I apply rotations to both qubits in a 2 qubit system?
Awarded Mar 27 at 20:06
Grover's algorithm for the real problem of finding the index of an array element
Awarded Mar 27 at 6:48
Minimal output dimension of a quantum channel
Awarded Mar 27 at 4:08
What is Qiskit's Transpiler method for unitary synthesis?
Awarded Mar 26 at 7:41
Finding Eigen Values from Quantum Phase Estimation - Using qiskit
Awarded Mar 25 at 17:11
How would I theorise a quantum query algorithm in O(1)?
Awarded Mar 23 at 20:10
The complexity of LH with constant gap
Awarded Mar 23 at 19:11
Function in Qiskit to get the quantum circuit
Awarded Mar 23 at 18:31
How to use QFT operation in Q#?
Awarded Mar 22 at 2:36
Quantum Fourier Transform in the Period Finding Problem
Awarded Mar 16 at 14:47
Best way to compute $\langle a|B|a \rangle$ in Cirq, where a is a state obtained running circuit A. And B is a different Quantum Circuit
Awarded Mar 16 at 9:00
What all parameters can we take into account when comparing different quantum programming languages
Awarded Mar 15 at 9:20
Is there a way to use titles on circuit drawing?
Awarded Mar 14 at 9:05
Is it possible to express $U_1(\lambda)$ through the gates $R_x, R_y, R_z$ while maintaining the phase? In Qiskit for example
Awarded Mar 14 at 8:05
How to calculate the overlap of the orthogonal state?
Awarded Mar 14 at 2:10
How to perform a phase operator on register that contains two or more qubits？
Awarded Mar 13 at 11:06
How do I decompose the given $4\times 4$ matrix in terms of Pauli matrices? [duplicate]
Awarded Mar 12 at 14:07
Is there an identity for the partial transpose of a product of operators?
Awarded Mar 12 at 9:04
From mathematical notation to quantum circuit, in general
Awarded Mar 10 at 16:20
Why is the subscript like this in the equation $\sum_i |\psi_i\rangle \langle\psi_i| = \sum_{ijk} u_{ij} u_{ik}^{*}|\phi_j\rangle \langle\phi_k|$?
Awarded Mar 10 at 14:35
Can we use space to achieve absolute zero for a quantum computer?
Awarded Mar 10 at 8:56
If $\text{supp}(\rho_{AB})\subset \text{supp}(\sigma_{AB})$, is $\text{supp}(\rho_{A})\subset \text{supp}(\sigma_{A})$?
Awarded Mar 8 at 17:27
Quantum Amplitude Estimation vs Quantum Phase Estimation
Awarded Mar 7 at 13:17
Quantum machine learning after Ewin Tang
Awarded Mar 6 at 11:08
Should I learn a low-level QC programming language?
Awarded Mar 5 at 11:11
How do you mix two pure states to obtain a mixed state?
Awarded Mar 5 at 10:43
What gate combinations create entangled two-qubit states?
Awarded Mar 3 at 22:41
How to prove that a naive quantum random walk is non-unitary
Awarded Mar 2 at 16:46
How to prepare a random 1-qubit superposition for data encoding
Awarded Feb 26 at 20:20
Implementing a SwapTest for samples with large numbers of features
Awarded Feb 26 at 11:57
What is the action of sandwiching an operator with two CNOT gates?
Awarded Feb 25 at 3:04
What is a good video resource for quantum computing?
Awarded Feb 24 at 11:37
Is there an issue preventing people from scaling Grover's algorithm to larger numbers of qubits?
Awarded Feb 23 at 16:09
Does $\frac{\Pi_A\otimes I_B}{\text{Tr}((\Pi_A\otimes I_B)\rho_{AB})}\rho_{AB}=\rho_{AB}$ hold for a state $\rho_{AB}$ and projector $\Pi_A$?
Awarded Feb 23 at 8:07
What does the identity operator represent when computing $\langle\varphi|I\otimes Z|\varphi\rangle$?
Awarded Feb 22 at 16:40
IBMQ.load_account() fails with “403 Client Error” [closed]
Awarded Feb 22 at 5:18
Qiskit textbook - exercise 2.2 - why doesn't the correct answer give the same statevector?
Awarded Feb 21 at 16:50
Ansatz explanation for VQE
Awarded Feb 20 at 19:55
IBM Qiskit QAOA gate implementation question
Awarded Feb 20 at 18:26
Ansatz state for finding the lowest eigenvalue of a $2^n\times 2^n$ real matrix using VQE
Awarded Feb 19 at 8:11
Qiskit: Taking a QUBO matrix into `qubit_op'
Awarded Feb 17 at 0:10
How is $\sum_i\langle i|M|i\rangle$ correlated to $\mathrm{tr}(M)$?
Awarded Feb 15 at 18:42
If quantum computing always return random measurement (or uncertain measurement), why do we still need it?
Awarded Feb 15 at 15:51
What are the differences between IBMQJobManager and Qiskit aqua QuantumInstance?
Awarded Feb 15 at 14:46
How can I run Q# program in Azure Quantum
Awarded Feb 12 at 12:36
Find the unitary implementing the transformation $|0\rangle\to\frac1{\sqrt2}(|0\rangle+|1\rangle),|1\rangle\to\frac1{\sqrt2}(|0\rangle-|1\rangle)$ [closed]
Awarded Feb 12 at 0:30
How do I determine if a given pure two-qubit state is separable?
Awarded Feb 11 at 20:56
How do I calculate the eigenvalues of the positive partial transpose of this two-qubit state?
Awarded Feb 10 at 22:34
Was the Quantum Circuit Attribute “iden” renamed?
Awarded Feb 10 at 15:12
Multiply-Controlled X Gate/MCT Gate Implementation
Awarded Feb 10 at 2:41
Why does QAOA achieve quantum supremacy in an algorithmic sense?
Awarded Feb 8 at 21:23
what matrix operations have better known time complexity on a quantum computer?
Awarded Feb 8 at 11:27
What's the default value for a quantum register?
Awarded Feb 8 at 8:21
How can quantum interference happen in real world if a wave function does not have any physical meaning?
Awarded Feb 6 at 5:41
How to fix an error: 'module 'qiskit.result' has no attribute 'get_counts'' [closed]
Awarded Feb 5 at 9:34
1
2
3 4 5
…
18

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.