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I've come across an issue where `Qobj.norm()` is returning zero when I think it shouldn't.
Please see the following image showing an example of the issue: https://imgur.com/a/1E8FZWQ
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Hi QuTip team,
when I run multiple `mesolve` calculations in parallel using
`enumerate(pool.imap(parallel_calculation, taus))`
I sometimes get the following error
` ZVODE-- At current T (…
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Pre-Request Checklist
---------------------
- [x] I am running the latest version of mitiq
- [x] I checked to make sure that this feature has not already been requested
Issue Description
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In response to #920, and following the discussion in #949, we need some way to make the compile flags optional during setup. The `-march=native` is the probable cause of issues with the conda-forge bu…
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Transform 2-level to eigenbasis and back ... ok
Transform 10-level real-values to eigenbasis and back ... ok
Transform 10-level to eigenbasis and back ... ok
Transform 10-level imag to eigenbasis a…
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QuTiP is currently incompatible with numpy 1.20. Tests will fail to even collect with an error such as
```
AttributeError: 'numpy.ndarray' object has no attribute 'dag'
```
and a lot of functiona…
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### Informations
- **Qiskit Aer version**: 0.7.4
- **Python version**: 3.9.1
- **Operating system**: OSX 10.15.7
### What is the current behavior?
Importing Aer raises a `ValueError` wh…
jyu00 updated
3 years ago
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**Describe the issue**
In `mesolve`, all the intermediate result for each `t` in the `tlist` will be saved. If the given `tlist` is very long, this can be a bottleneck for time and memory. In the `Op…
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A worrisome email I received:
>Since the 3.0 update some observables in my calculations switched signs (the MC estimates).
>
>When calculating expectation values of an operator that is not symmet…
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It would be great if it were possible to specify where the temporary pyx (and other?) files are stored during a cython build. At the moment when one runs mesolve, the pyx files (and maybe others?) get…