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### Environment
- **Qiskit version**: 1.0.1
- **Python version**: 3.10
- **system**: Google colab
### What is happening?
I am using cupy and accelerarted numpy to improve performance of some co…
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When Running with:
`python3 ../../main.py nh3.1det.fcidump nh3.1det.wf 100
`
I get the following within 10 seconds:
```
Davidson Failed, fallback to numpy eigh
N_det: 2, E -56.170139747833076
…
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Hello, I have been really enjoying this package! I have what is probably a quick question. In addition to Objectives that ensure that the initial states reach the target states, I'd also like to use o…
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### Feature details
We're working on algorithms for quantum chemistry and I am using PennyLane to calculate 1- and 2-particle reduced density matrices that are auto-differentiable w.r.t. PQC paramete…
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`SparseVector` is designed assuming that all values that are not stored explicitly are equal to `zero`.
I have a use case in which the non-stored value should be `one(::MyType)`, rather than `zero(::…
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# Current situation
Currently, a pair bond between particles p1 and p2 or a 3- or 4-particle bond between p1, p2, p3(, p4) is only stored on p1.
## Advantages:
* Save some storage
* Calculat…
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This section is broken (again?) https://turinglang.org/v0.31/tutorials/10-bayesian-differential-equations/#inference-of-a-stochastic-differential-equation
The plot in the tutorials shows no samplin…
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Currently HamEvo of some generator is always exponentiated fully, without checking for commutation relations. However, generators composed of several commuting parts can be exponentiated separately. W…
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I noticed that `jax-jit` and `tf` compilation is very slow when computing gradients through the new `mitigate_with_zne` transform introduced in https://github.com/PennyLaneAI/pennylane/pull/2757. For …
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I don't know know many effective search techniques, so I'll brainstorm a few.
I expect the following phrases are positively correlated: "This derivation" or "the derivation here" or "our derivatio…