# Inconsistent results from using #undef

**URL:** <https://discourse.julialang.org/t/inconsistent-results-from-using-undef/133033>\
**Category:** New to Julia\
**Created:** [October 10, 2025, 12:37am UTC](https://discourse.julialang.org/t/inconsistent-results-from-using-undef/133033 "2025-10-10T00:37:23Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![goerz](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/goerz/32/3269_2.png) [@goerz](https://discourse.julialang.org/u/goerz)\
**Post date:** [October 10, 2025, 12:48am UTC](https://discourse.julialang.org/t/inconsistent-results-from-using-undef/133033/2 "2025-10-10T00:48:59Z")

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This is already answered in [What does #undef mean? - #2 by gdalle](https://discourse.julialang.org/t/what-does-undef-mean/82031/2)

Initializing with `undef` means you cannot say _anything_ about the values. There is nothing “inconsistent”

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_[View the full topic](https://discourse.julialang.org/t/inconsistent-results-from-using-undef/133033)._