# \[ANN\] Implementation of the subspace iteration method for the generalized EP

**URL:** https://discourse.julialang.org/t/ann-implementation-of-the-subspace-iteration-method-for-the-generalized-ep/90553
**Category:** Numerics
**Created:** [November 20, 2022, 6:53pm UTC](https://discourse.julialang.org/t/ann-implementation-of-the-subspace-iteration-method-for-the-generalized-ep/90553 "2022-11-20T18:53:37Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![PetrKryslUCSD](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/petrkryslucsd/32/215825_2.png) [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)
#### Post date: [November 20, 2022, 6:53pm UTC](https://discourse.julialang.org/t/ann-implementation-of-the-subspace-iteration-method-for-the-generalized-ep/90553/1 "2022-11-20T18:53:37Z")

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Interested in finding the smallest eigenvalue of the generalized EP? This package might be an alternative to Arpack. It isn’t as fast, but only a little bit slower. It is all Julia, as opposed to Arpack.

If you have any comments or feedback, don’t hesitate to let me know. Much appreciated!

> **[GitHub - PetrKryslUCSD/SubSIt.jl: Subspace iteration algorithm for the...](https://github.com/PetrKryslUCSD/SubSIt.jl)**
>
> Subspace iteration algorithm for the generalized eigenvalue problem of free vibration - GitHub - PetrKryslUCSD/SubSIt.jl: Subspace iteration algorithm for the generalized eigenvalue problem of free...