# Struggling with isposdef and floating point errors

**URL:** <https://discourse.julialang.org/t/struggling-with-isposdef-and-floating-point-errors/111582>\
**Category:** General Usage\
**Tags:** question, linearalgebra\
**Created:** [March 13, 2024, 3:05pm UTC](https://discourse.julialang.org/t/struggling-with-isposdef-and-floating-point-errors/111582 "2024-03-13T15:05:24Z")\
**Posts on this page:** 1\
**Showing post:** 3

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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:** [March 13, 2024, 7:25pm UTC](https://discourse.julialang.org/t/struggling-with-isposdef-and-floating-point-errors/111582/3 "2024-03-13T19:25:28Z")

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See also: [`isposdef` inconsistent results, numerically unstable? - #10 by andreasnoack](https://discourse.julialang.org/t/isposdef-inconsistent-results-numerically-unstable/9013/10)

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