# Refactoring a symmetric matrix into a vector and back again

**URL:** <https://discourse.julialang.org/t/refactoring-a-symmetric-matrix-into-a-vector-and-back-again/105378>\
**Category:** General Usage\
**Created:** [October 25, 2023, 2:18pm UTC](https://discourse.julialang.org/t/refactoring-a-symmetric-matrix-into-a-vector-and-back-again/105378 "2023-10-25T14:18:56Z")\
**Posts on this page:** 1\
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**Author:** ![stevengj](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stevengj/32/71_2.png) [@stevengj](https://discourse.julialang.org/u/stevengj)\
**Post date:** [October 25, 2023, 2:37pm UTC](https://discourse.julialang.org/t/refactoring-a-symmetric-matrix-into-a-vector-and-back-again/105378/2 "2023-10-25T14:37:01Z")

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> [@ignace](#):
>
> Do you know ‘good’ ways to refactor a symmetric matrix into a vector,

See

- [Vector of upper triangle](https://discourse.julialang.org/t/vector-of-upper-triangle/7764)
- [GitHub - JaneliaSciComp/SymmetricFormats.jl: efficient storage for symmetric matrices](https://github.com/JaneliaSciComp/SymmetricFormats.jl)

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