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GMRES often fails to converge when restart is less than the problem dimension, but will return **without indicating failure.**
This failure (likely due to stagnation) seems to depend on the absolut…
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Does this Python interface support the Exponentiator from Lambda Lanczos? Thank you in advance!
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```
An interesting idea was proposed to optimize multiple runs of iterative solver
when only the refractive index is varied.
N.V. Budko and R.F. Remis, “Electromagnetic inversion using a reduced-ord…
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`mfem::GMRESSolver` and `mfem::CGSolver` measure the residual norm after applying the preconditioner, while `mfem::NewtonSolver` (which has no notion of a preconditioner) measure the residual norm dir…
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Hey!
I am the guy from the post here: https://forum.pyro.ai/t/possible-help/2169/4. We are planning on implementing TrustVI and we made a document with a couple of questions, goals, a rough idea of…
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Nice library!
I'm trying to replace my iterative solver with optimistic, but I'm having trouble getting good results. Here's my [pull request](https://github.com/NeilGirdhar/efax/compare/optimisti…
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@jagot I have finally went through the paper by Saad. While in theory the algorithm can be extended to arbitrary phi orders and non-Hermitian matrices, I still have some doubts and would like to discu…
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As motivated [in this thread](https://users.rust-lang.org/t/prior-work-on-krylov-subspace-methods/13261) on Krylov subspace solvers, I think it may be a good idea to try and see, whether this library'…
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We merged it in because it technically works, but forward pass is 80-90 minutes and backwards is several hours...would be awesome to get this to a point where it can actually be used. I'm not totally …
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http://epubs.siam.org/doi/abs/10.1137/110849961
https://www.sciencedirect.com/science/article/pii/S0377042712004116
https://arxiv.org/pdf/1108.2655.pdf
https://appliedmath.ucmerced.edu/sites/…