# Matrix free GMRES with structs?

**URL:** https://discourse.julialang.org/t/matrix-free-gmres-with-structs/79364
**Category:** General Usage
**Tags:** iterative
**Created:** [April 12, 2022, 3:58am UTC](https://discourse.julialang.org/t/matrix-free-gmres-with-structs/79364 "2022-04-12T03:58:32Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![gdalle](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/gdalle/32/27854_2.png) [@gdalle](https://discourse.julialang.org/u/gdalle)
#### Post date: [April 12, 2022, 4:48am UTC](https://discourse.julialang.org/t/matrix-free-gmres-with-structs/79364/2 "2022-04-12T04:48:38Z")

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Maybe use [https://github.com/jonniedie/ComponentArrays.jl](https://github.com/jonniedie/ComponentArrays.jl) ?

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_[View the full topic](https://discourse.julialang.org/t/matrix-free-gmres-with-structs/79364)._