Comments (5)
rveltz
commented on June 7, 2024
Maybe increase maxiter
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Jutho
commented on June 7, 2024
If you can afford the memory, it might be good to make krylovdim even larger than number of eigenvalues. However, given the size of these residuals, there might be something else at play here. I don't have much experience with the Golub-Ye algorithm which is used in geneigsolve, and hence don't know if there exist specific situations where it works well and others where it does not.
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PetrKryslUCSD
commented on June 7, 2024
I don't know what is going on, but increasing the number of iterations or making the Krylov dimension larger does nothing. The solution still fails.
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jarlebring
commented on June 7, 2024
If you make the matrices available somehow, it is easier for others to help. If the matrices are too big, maybe just crop them at a reasonable size and see if you get the same.
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Jutho
commented on June 7, 2024
I agree that sharing the matrices will be necessary for me to be able to debug this. Until then, I will close this issue. Feel free to reopen and share the matrices.
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Related Issues (20)
- SVD on big floats HOT 4
- TypeError: in fieldtype, expected DataType, got Type{Union{}} HOT 5
- Finding repeated eigenvalues HOT 2
- linsolve on CUDA has an issue HOT 6
- TagBot trigger issue HOT 6
- Eigsolve and extended precision HOT 2
- Keyword `tol` not having desired effect in `exponentiate` (`expintegrator`) HOT 5
- please tag a release (at least a bugfix one) HOT 6
- Occasional `LAPACKException(22)` in `eigsolve` HOT 4
- feature request: LOBPCG HOT 1
- Consider scale-invariant convergence criterion for eigenproblems? HOT 7
- eigsolve not working with howmany option HOT 8
- "Access to undefined reference" when using a `Vector` in exponentiate HOT 5
- Free vibration problem fails to converge HOT 1
- [Question] Eigenvalue from eigsolve by Lanczos is not correct HOT 2
- geneigsolve not correctly identifying positive definite and hermitian matrices HOT 1
- `DomainError` in `svdsolve` when running multithreaded code
- Access to undefined reference when using KrylovKit on a non-concrete vector HOT 4
- GMRES Fails Silently From Stagnation HOT 4
- Feature request: Multiple timesteps in Exponentiate HOT 1
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