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Looking at the source code, it seems that it explicitly checks for the real-symmetric case, but doesn't do anything for the analogous complex-Hermitian case. Is this a limitation of the underlying AR…
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Hi @yixuan,
I'm trying to understand the Lanczos method, mostly via Golub & Van Loan's [Matrix Computations](https://books.google.com/books?id=5U-l8U3P-VUC&lpg=PP1&ots=7-HCRjYMan&dq=matrix%20compu…
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```
add IterativeSolvers
Resolving package versions...
Updating `~/.julia/environments/v1.7/Project.toml`
[42fd0dbc] + IterativeSolvers v0.9.2
No Changes to `~/.julia/environments/v1.7…
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It looks like several of the BLAS methods currently only support element-wise matrices as arguments, and do not support block-wise matrices.
Functions I particularly care about are:
* `Hadamard`
…
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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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Implement Lancsoz solver as a replacement for Arnoldi for transient growth computation.
Need to simultaneously outpost the optimal initial perturbation and corresponding response.
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### Is your feature request related to a problem? Please describe.
Hello,
I am currently implementing the subspace iteration algorithm to obtain eigenvalues of a PDE operator [1]. In this algorith…
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we're currently at v0.5.0, whatever the hell that means, and I'm interested in knowing what the plans are. I'm the one driving the dev, and I'm super 100% okay with that as numerical stuff is my game,…
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MWE:
```
using LinearAlgebra, Test, StaticArrays
@testset "bunchkaufman-rdiv" begin
A = rand(3, 3)
A = A' * A
@test A / cholesky(A) ≈ I # No error
@test A / bunchkaufman(A) ≈ I …
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Ginkgo currently supports only left preconditioning.
However, it seems that some use-cases require right and two-sided preconditioning. We started this as an off-topic (or maybe vaguely-on-topic) d…