# Why is \`copy(adjoint)\` not an adjoint object?

**URL:** <https://discourse.julialang.org/t/why-is-copy-adjoint-not-an-adjoint-object/55371>\
**Category:** Internals & Design\
**Tags:** column-major, row-major, adjoint, copy, deepcopy\
**Created:** [February 16, 2021, 4:17am UTC](https://discourse.julialang.org/t/why-is-copy-adjoint-not-an-adjoint-object/55371 "2021-02-16T04:17:58Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![rafael.guerra](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/rafael.guerra/32/216610_2.png) [@rafael.guerra](https://discourse.julialang.org/u/rafael.guerra)\
**Post date:** [February 16, 2021, 9:30am UTC](https://discourse.julialang.org/t/why-is-copy-adjoint-not-an-adjoint-object/55371/3 "2021-02-16T09:30:44Z")

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Same remark seems to have been made [here](https://discourse.julialang.org/t/meaning-of-copy-for-arrays/43420) by @dlfivefifty. It does not say if a PR was created.

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