Quantum Computing
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Awarded 1061 times.
Quantum Katas - Tutorials - Oracles - Task 3.3 (OR oracle of all bits except for a single bit)
Awarded 4 hours ago
Error when attempting to visualize controlled hadamard gate state matrix with qiskit
Awarded 16 hours ago
States used in lossless quantum compression?
Awarded yesterday
is it possible to eliminate a certain possibility of an outcome of 3+ qbits
Awarded 2 days ago
(post deleted or otherwise unavailable)
Awarded 2 days ago
Openfermion : `get_sparse_operator` issue
Awarded Apr 17 at 5:29
How to construct a Hamiltonian for an ensemble of atoms interacting with each other?
Awarded Apr 16 at 9:39
Degree of $N$-bit Majority function is larger or equal to $N/2$
Awarded Apr 16 at 6:57
Method to mark only when certain conditions are satisfied in the superposition states of qubits
Awarded Apr 13 at 15:05
Exercise 4.6 in Quantum Computing and Quantum Information Nielsen and Chuang
Awarded Apr 13 at 10:06
Finding the norm of a Hamiltonian
Awarded Apr 12 at 18:16
Graphical Calculus for Quantum Circuits
Awarded Apr 12 at 14:42
Amplitude Damping of a Harmonic Oscillator
Awarded Apr 11 at 14:33
Optimising Angle Code in Qiskit - Using the QAOAVarForm
Awarded Apr 11 at 13:57
Measuring entanglement entropy using a stabilizer circuit simulator
Awarded Apr 11 at 13:48
Which qiskit backend is faster in execution of the quantum circuit prepared?
Awarded Apr 9 at 17:46
Re-initializing qubits in a circuit without losing superposition
Awarded Apr 9 at 6:05
Expectation value of an arbitrary observable. My own definition and `cirq` limitations
Awarded Apr 8 at 16:42
Decomposing Hamiltonian into qubit model representation
Awarded Apr 8 at 14:11
Iterative Phase Estimation with noise vs standard Quantum Phase Estimation with noise
Awarded Apr 6 at 18:17
Does a quantum computer have a clock signal and if yes how big is it?
Awarded Apr 6 at 15:36
(post deleted or otherwise unavailable)
Awarded Apr 5 at 14:25
How do I get the Unitary matrix of a circuit without using the 'unitary_simulator'?
Awarded Apr 3 at 19:31
Are these two 'divided by two' terms related?
Awarded Apr 3 at 11:20
Writing the Jaynes-Cumming model in QuTip
Awarded Apr 2 at 19:27
Does Toffoli AND conjugate affect superposition if used in Shor's algorithm?
Awarded Apr 2 at 2:34
How to get_statevector() with defined gates in Qiskit?
Awarded Apr 1 at 9:04
Measuring the product is the same as first measuring with one matrix then with the other
Awarded Mar 31 at 16:16
IBM Quantum “Jobs” web page problem: “Tags” always missing
Awarded Mar 29 at 23:50
Has any analogue quantum simulator showed quantum advantage yet?
Awarded Mar 27 at 18:50
In the hidden subgroup problem for finite Abelian groups, where does the state $\frac{1}{\sqrt{|G|}}\sum_{g\in G} |g,0\rangle$ come from?
Awarded Mar 26 at 7:16
Rewriting the last step in Choi's implication
Awarded Mar 26 at 4:34
Grover's algorithm for the real problem of finding the index of an array element
Awarded Mar 25 at 19:32
Continued fractions with Shor's algorithm: which convergent?
Awarded Mar 24 at 15:48
The complexity of LH restricted to projectors
Awarded Mar 24 at 10:57
Qiskit: 3 applications of identity with arbitrary SU(2) is universal?
Awarded Mar 23 at 17:03
How can I factor Hadamard gates according to $U=e^{i\delta}R_x(\alpha)R_y(\beta)R_z(\gamma)$
Awarded Mar 23 at 11:19
What is the complexity of estimating the expectation value of an observable?
Awarded Mar 23 at 7:33
Is there any difference between “value of a qubit” and its “state”?
Awarded Mar 21 at 20:08
How to get the solution and prediction of nuclear ridge regression? [closed]
Awarded Mar 18 at 5:35
Phase estimation error analysis
Awarded Mar 17 at 18:04
In HHL algorithm, how to find the angle of rotation of ancilla qubits?
Awarded Mar 17 at 11:55
Why wont my custom controlled gates in Cirq work on a simulator?
Awarded Mar 14 at 16:41
Is qiskit documentation about determining $|0\rangle$ and $|1\rangle$ incorrect?
Awarded Mar 14 at 9:11
How do I convert a Quantum Circuit into a qobj
Awarded Mar 9 at 15:51
Can we use space to achieve absolute zero for a quantum computer?
Awarded Mar 9 at 12:17
How do we implement QKNN algorithm on our dataset
Awarded Mar 8 at 14:27
Show that $\lambda |\phi^+\rangle \langle\phi^+| + (1-\lambda )|\phi^-\rangle \langle\phi^-|$ is the Choi–Jamiołkowski matrix of a quantum channel
Awarded Mar 8 at 12:18
Does IBM have a publicly available tutorial on applied quantum computing and how does one use it? Any Reviews of the Tutorial?
Awarded Mar 6 at 22:46
Minimal output dimension of a quantum channel
Awarded Mar 6 at 2:26
What is meant by $\log(m)$ qubits
Awarded Mar 5 at 13:35
How do you mix two pure states to obtain a mixed state?
Awarded Mar 4 at 21:42
Can someone elaborate how to use Qutrits to do teleportation? And the unitary operation Bob needs to do? [duplicate]
Awarded Mar 4 at 18:04
How does the sum of two operators act on a two-level system of qubits?
Awarded Mar 3 at 17:04
Matrix multiplication through Block Encodings
Awarded Mar 3 at 14:01
Do states get entangled in Grover’s algorithm?
Awarded Mar 3 at 1:04
(post deleted or otherwise unavailable)
Awarded Mar 1 at 16:51
What is the general method for creating real gate sequences from mathematical algorithms?
Awarded Feb 25 at 19:16
How can I convert exponentials of pauli matrices to circuits of this form in Qiskit?
Awarded Feb 25 at 16:48
How can we construct a control-control y-rotation (CCRy) gate in Qiskit?
Awarded Feb 25 at 14:33
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