# Rationale for adding singleton dim

**URL:** <https://discourse.julialang.org/t/rationale-for-adding-singleton-dim/72053>\
**Category:** Performance\
**Tags:** indexing, matrices\
**Created:** [November 25, 2021, 10:28am UTC](https://discourse.julialang.org/t/rationale-for-adding-singleton-dim/72053 "2021-11-25T10:28:06Z")\
**Posts on this page:** 1\
**Showing post:** 4

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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:** [November 25, 2021, 11:17am UTC](https://discourse.julialang.org/t/rationale-for-adding-singleton-dim/72053/4 "2021-11-25T11:17:16Z")

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For the rationale, [see this great post.](https://discourse.julialang.org/t/unintuitive-julia-result-selecting-a-row-from-a-matrix/66222/4)

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