# \#automatic

**URL:** https://discourse.julialang.org/tag/automatic/585.md

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## [\[ANN\] AutomationLabs.jl](https://discourse.julialang.org/t/ann-automationlabs-jl/91705)

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**Author:** [@bienpierre](https://discourse.julialang.org/u/bienpierre)\
**Replies:** 0\
**Last updated:** [December 15, 2022, 1:52pm UTC](https://discourse.julialang.org/t/ann-automationlabs-jl/91705 "2022-12-15T13:52:51Z")

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Hi everyone, I have released the package AutomationLabs.jl and subpackages AutomationLabsIdentification.jl, AutomationLabsModelPredictiveControl.jl and AutomationLabsDepot.jl. See AutomationLabs github page for details. …

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## [ReverseDiff.jl gives zeros when using fill](https://discourse.julialang.org/t/reversediff-jl-gives-zeros-when-using-fill/54369)

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**Author:** [@roflmaostc](https://discourse.julialang.org/u/roflmaostc)\
**Replies:** 1\
**Last updated:** [February 1, 2021, 11:53am UTC](https://discourse.julialang.org/t/reversediff-jl-gives-zeros-when-using-fill/54369 "2021-02-01T11:53:15Z")

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Hey, the following MWE: function g(x) out = fill(0.0, size(x)) for i = 1:size(x)\[1\] out\[i, :\] .= x\[i, :\] end return out end ReverseDiff.gradient(x -\> sum(g(x)), randn((5, 5))) which returns 5×…