Antoine COLLET comments

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                                            Antoine COLLET

Question: Constrained state estimation

Interested +1

Use masked array for zs?

Hi ! First of all thanks for your great work :) Indeed, the support of masked array would be great and it works fine with the batch-filter method. I just...

Need some help to reproduce pykalman behavior on simple linear example

Salut @Eheran1, Thank you I fixed the two links. Well, indeed, the second link relies on PR #263 which solves the issue. Here is the [original notebook](https://github.com/antoinecollet5/kalman-filtering/blob/example/pr263/linear_case_filterpy.ipynb) (using filterpy 1.4.5...

Feature/support masked array

Hi @Jonny-air I'll have a look at it today ! Cheers :)

[ENH] Get reproducible results with PCGA (set the initial vector used by scipy.sparse.linalg.eigsh ...)

Hi Harry, Happy new year and best wishes for 2023. I just corrected a last bug in the changes I've made this morning. I tested and everything seems to work...

[ENH] Get reproducible results with PCGA (set the initial vector used by scipy.sparse.linalg.eigsh ...)

Hi @jonghyunharrylee, Any chance you will have time to look at it ? Best regards Antoine

[ENH] Get reproducible results with PCGA (set the initial vector used by scipy.sparse.linalg.eigsh ...)

@jonghyunharrylee could you have a look to this PR ?

Parallelizing function evaluations for the Derivative class

@pbrod @jmeziere is this still ongoing ? I think that would be a great feature! I am ready to contribute if needed. Now the question is whether to implement it...

WIP:ENH:optimize:Rewrite SLSQP solver

If it can help, Jacob Williams cleaned and upgraded the code [to F90](https://github.com/jacobwilliams/slsqp). It seems he also improved it a bit (especially the documentation) :) Maybe you should contact him...