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https://github.com/qutip/qutip/blob/f5149616a4071a273e7e48a63d956836739c4569/qutip/parallel.py#L7
When the latest scipy version is used (1.12.0), QuTiP (4.7.4) cannot be imported since `from scipy …
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Different platforms have some subtle differences in how multiprocessing works: On linux, processes "fork". My basic understanding is that sub-processes are created as copies of the parent process, thu…
goerz updated
6 months ago
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### Bug Description
Some tests of qutip.testing.run() fail on master on a MacBook Pro (2021) with M1. Qutip was installed on a miniforge python 3.9.9 distribution.
### Code to Reproduce the Bug
```…
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### Bug Description
The function `negativity() ` is currently broken because of a broken import of `partial_transpose()`. This is probably an easy fix and good first issue, but more importantly we …
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@hodgestar
The benchmarks are not being published to the website for a while.
Is that a bug you are familiar with?
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### Bug Description
It seems like the measurement.measure function does not produce the correct density matrix after the measurement of a two-qubit system. In the minimal example below I prepared the…
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### Bug Description
Using `Python 3.12.2` and `Poetry 1.7.1`, when adding `qutip` as a dependency, the installation fails.
### Code to Reproduce the Bug
```shell
poetry add qutip
```
### Code Out…
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### Bug Description
Hello,
I am using mesolve, and when I provide it with expect_operators, it doesn't save the states of the system and the result.states is an empty list []. when I don't provide a…
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We were running the "Steady State Solvers: Optomechanical System" from QuTiP examples, but were repeatedly getting errors. Specifically, line 466 of `steadystate.py` tries to query `max_iter_refine` f…
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**Steps to reproduce**
`read_qasm('OPENQASM 2.0;\ninclude "qelib1.inc";\n\ncreg c[2];\nqreg q[2];swap q[0],q[1];\n', strmode = True)
`
**Error**
```
Traceback (most recent call last):
File ~…