Questions tagged [programming]
For any questions whose answer is expected to require code or programming notions. For questions about a specific framework (e.g. qiskit or cirq) please also include a more specific tag. If your question is about installation or any specific framework error, consider posting it in https://stackoverflow.com/ instead.
1,730 questions
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How do you apply the Hadamard function to a register of qubits in Q#?
I am learning Q# and am trying to create Deutsch's algorithm. My code seems to have an issue since I'm still learning. The code recognizes that line 3 contains an error. Can someone tell me what I am ...
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How can a beginner start contributing to quantum open-source projects (e.g., Qiskit/Cirq)?
I’m new to quantum computing and eager to contribute to open-source projects like Qiskit or Cirq. Could you recommend:
Beginner-friendly resources (tutorials, books, or courses) to build foundational ...
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Is it recommended to use Qiskit with PyTorch Lightning?
I am new to QML and I am trying to code out my first quantum machine learning project. In particular, I am interested to try out hybrid quantum classical neural networks. I have experience with AI in ...
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My question concerns about the interest of qc and I am confused what actually happens in qc (Quantum computing) [closed]
I have researched about this a bit, and I am an undergraduate student. I am having questions like:
How interesting is a quantum computing (qc) career?
In regards to people, who first found this ...
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Introducing myself to the fourm [closed]
I don't have a problem at the moment. I have decided to go outside of my comfort zone and dive into quantum computing and start learning it with little to no schooling in its foundation. I plan to use ...
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Inconsistent values of $S$ (CHSH inequality) in my Qiskit implementation of the E91 protocol
I'm currently experimenting with Qiskit and I wanted to implement the Ekert's E91 protocol. I had no problem writing the code, but then I got to the point of calculating the $S$ value to detect the ...
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BP decoders for qLDPC codes
Do BP (BP-OSD, BP-LSD) decoders process 3-dimensional graphs of a simple noise model, where the third dimension is the time dimension, like how the MWPM decoder works for surface codes? Is there a ...
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Challenges in Comparing Classical and Quantum Optimization Methods
Has anyone attempted to solve a simple optimization problem using both classical and quantum optimization methods and compared the results?
I have tried multiple times, but the quantum method has ...
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Issue with Converting 2D Green's Function to 1D and Concurrence Behavior in Polar Coordinates
I am working on a model in superconductivity and have found the normal and anomalous Green's functions in real space. First, I computed the Green's functions in terms of the variables $ x $ and $ y $, ...
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Intermediate representation in BQSkit framework
I am trying to understand the IR representation in BQSKit framework. Below is the documentation link.
https://bqskit.readthedocs.io/en/latest/source/ir.html
I am really not able to understand how a ...
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How to calculate Minimum Residual Contangle for Entanglement
I used expectation values of Heisenberg Langevin equations to construct a 6 × 6 covariance matrix between three qubits.
Now, I am confused in the formula for minimum Residual contangle. I have ...
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How do you set up Microsoft's Classic QDK?
Around the beginning of 2024, Microsoft replaced the "Classic" Q# quantum development kit with a new "Modern" QDK. Code written for the classic version can no longer can be run ...
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AttributeError: 'QuantumCircuit' object has no attribute 'uc'
I am getting the below error:
AttributeError: 'QuantumCircuit' object has no attribute 'uc'. Did you mean: 'u'?
while executing the below line.
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How do I add the real device noise of the aer simulator in the old version (0.42) of qiskit?
I wish I could add the noise of a real quantum computer when using aersimulator. Normally, this requires the following code to be used：
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