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### Expected behavior
I expect that a Hamiltonian expectation value is expanded if the execution occurs with finite shots.
### Actual behavior
If the device has `shots=None` upon construction, but…
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### Expected behavior
The following example should run to completion:
```python
import pennylane as qml
dev = qml.device("default.qubit", wires=4)
@qml.qnode(dev, diff_method="parameter-shift")…
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### Expected behavior
The output of `qml.sample(counts=True)` in `return qml.sample(qml.PauliY(0), counts=True), qml.sample(counts=True)` should correspond to raw computational basis state samples.
…
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### Describe the Issue!
Hi,
I am studying quantum computers and quantum algorithms to solve combinatorial optimization problems.
I wonder if I can use qutip to simulate quantum computers and al…
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#### General information
**Name**
Mahnoor Fatima.
**Twitter**
@MahnoorTheJack
**Image**
![5af21e58-196a-43cb-9075-c1fb728e91e0](https://user-images.githubusercontent.com/59219220/1739566…
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First of all, thank you very much for all your work! I have been having a lot of fun using Pennylane.
#### Issue description
Changing from the default `autograd` interface to `tensorflow` comes …
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### Expected behavior
I've been playing around with the different observable types in Pennylane and noticed we do support multiplying Hamiltonians together, both from tensor products of Paulis and fr…
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### Feature details
Currently the [QPE](https://pennylane.readthedocs.io/en/stable/code/api/pennylane.QuantumPhaseEstimation.html) template only supports operator pass-through as a matrix.
It wou…
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### Expected behavior
Jitting the gradient of a `QNode` with a device using shots, when setting the PRNGKey leads to a crash. I would expect this to work.
Below there is a snippet that easily repr…
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#### General information
**Name**
Nikolaos Schetakis (nikschet)
**Affiliation** (optional)
1. Alma-Sistemi srl
2. Technical University of Crete
**Twitter** (optional)
Your Twitter usernam…