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### Expected behavior
(after discussion with @Qottmann )
The problem is that `Sum.terms()` doesn't neatly re-package the coefficients but just puts them in a list. This is a problem since `Sum` an…
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The file format should support common input and output for these applications:
At minimum:
1. Molecular dynamics: simulation (OpenMM, DESMOND, etc.) and analysis packages (MDTraj, PyTraj, etc.)
2. Qu…
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### Expected behavior
I expect the code below to work with both lightning.qubit and default.qubit for any differentiation method. However qml.metric_tensor is failing for the cases outlined in the ta…
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### Expected behavior
With default.qubit, cost function is successfully optimized with no warning. Output is as attached:
![default_qubit_output](https://github.com/PennyLaneAI/pennylane/assets/…
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### What should we add?
The minimum requirements to run relativistic quantum chemistry calculations are as follows.
1. Support for DIRAC and BAGEL software packages by enabling reading relativisti…
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Flatpak is a giant step in the right direction and the possibility of a secure, distro agnostic package is something that can potentially make the life of the scientific community much easier. It is n…
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**Describe the bug**
When I run `!pip install pennylane-qiskit` in a new notebook it says the plugin is successfully installed. However when I run "qml.about()" none of the qiskit devices are install…
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### Expected behavior
Successful creation of a `KerasLayer`
### Actual behavior
`ValueError: Unrecognized keyword arguments passed to KerasLayer: {'dynamic': True}`
### Additional information
Thi…
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### Expected behavior
When performing a circuit with mid-circuit measurements, returning sample measurements on which no mid-circuit measurements have been performed should work.
### Actual beha…
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Hi,
I installed MultiPredict as https://multirefpredict.readthedocs.io/en/latest/installation.html (`cd dev_tools/conda_envs` is `cd dev_tools/condaenvs` in my installation)
If I install ju…