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### Expected behavior
The PL operator arithmetic allows for operators with imaginary/complex coefficients. If such expectation values of such operators are measured I expect to either get a imaginar…
cvjjm updated
3 weeks ago
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Hello, I had a somewhat specific question. I maintain a library called [TorchLens](https://github.com/johnmarktaylor91/torchlens) that allows users to visualize the computational graph of PyTorch mode…
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### Expected behavior
Output of [the code example](https://github.com/PennyLaneAI/pennylane/blob/master/pennylane/pulse/hardware_hamiltonian.py#L105) in the `qml.pulse.hardware_hamiltonian.drive` fun…
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We want to add the Qrack project in https://pennylane.ai/plugins/#plugins and document the Qrack device capabilities in a new page that looks similar to https://docs.pennylane.ai/projects/lightning/en…
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### Expected behavior
The [TorchLayer demo](https://pennylane.ai/qml/demos/tutorial_qnn_module_torch/) should work with diff_method='parameter-shift'
### Actual behavior
It throws an error.
### A…
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### Expected behavior
```
qml.expval(cost_h).process_counts({'000000':1}, wire_order=dev_shots_100.wires)
```
returns the largest eigenvalue of the `cost_h` Hamiltonian. probably because it sort…
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### Expected behavior
1 - Running `qml.data.load("other", name="mqt-bench")` returns the dataset.
2 - Running `qml.data.load("other", name="mqt-bench", attributes=["ae"])` returns the "ae" algorithm…
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### Expected behavior
With default.qubit, the code works without any issues, so you can just change lightning.qubit by default.qubit to get the expected behaviour.
### Actual behavior
The code cras…
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**Describe the bug**
It seems that the circuits are always compiled to `qiskit.QuantumCircuit` with measurements on all qubits. This can be checked in the definition of registers: https://github.com/…
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Create a Perceval - PennyLane plugin so that Quandela's QPU is an available device to run quantum algorithms from PennyLane.
See: https://pennylane.ai/plugins/