# Does Julia have anything like Measurements.jl for multivariate error propagation?

**URL:** https://discourse.julialang.org/t/does-julia-have-anything-like-measurements-jl-for-multivariate-error-propagation/103879
**Category:** General Usage
**Tags:** uncertainty-quantifi
**Created:** [September 15, 2023, 6:18am UTC](https://discourse.julialang.org/t/does-julia-have-anything-like-measurements-jl-for-multivariate-error-propagation/103879 "2023-09-15T06:18:02Z")
**Posts on this page:** 1
**Showing post:** 9

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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: [September 16, 2023, 12:09pm UTC](https://discourse.julialang.org/t/does-julia-have-anything-like-measurements-jl-for-multivariate-error-propagation/103879/9 "2023-09-16T12:09:54Z")

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> [@marius311](#):
>
> Say I have two variables `a` and `b` and I know the full 2x2 covariance between them. Is there a Julia package to conveniently propagate Gaussian uncertainy through arbitrary functions of them

Fyi, the package [Covar.jl](https://discourse.julialang.org/t/ann-covar-jl-propagation-of-covariant-uncertainties/19006) might be of interest.

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