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The following code
```
K. = QQ[]
M = Matrix([[x,x],[0,x]])
print( M.characteristic_polynomial().parent() )
print( M.characteristic_polynomial(y).parent() )
```
prints
```
Univariate Polynomial Ri…
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Currently, gradients through lstsq are quite brittle because there is no custom derivative attached - this is described in the code since it was first implemented by @jakevdp here: https://github.com/…
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Hey there jackun,
First and foremost, thank you! Thank you, thank you, thank you!
On to the questions.
I'm currently using dxtory with openencodevfw to record 1920 x 1080 30FPS video game footage.
K…
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I think we should go back to #112 and #124 and test density ovelap model (FDBM) properly, because I'm not sure it reproduce chemical intution and experimental data as it is now.
* Free-Electron pa…
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### Information
- [ ] Question
- [x] Suggestion
- [ ] Other: ...
The trapezoid and rectangle methods are known to be very imprecise and computationally expensive compared to the error they pro…
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Regarding unsupervised models such as PCA, kmeans, etc discussed in #44.
I know these are commonly encapsulated within the transformer formalism, but it would do the methodology behind them injusti…
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I'm raising this issue for two reasons. The refactoring I'm proposing
makes sense to me. But perhaps I am mistaken, because I have missed
some important design goals or implementation constraints …
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I am working on the ISOP time to event graphical diagnostics paper and was about to suggest including some nlmixr ways to fit simple time to event without time varying predictors and without more than…
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Hi eelco,
it seams the advection technique wich is used here is differently from _Stable, Circulation-Preserving, Simplicial Fluids?_
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I have a univariate 2D dataset made up of many non-consecutive trials (or slices/windows) of a time series (one trial is not continuous with another trial). I would like to fit an AR model to this col…