# Optim.jl: bracketing with Newton()

**URL:** https://discourse.julialang.org/t/optim-jl-bracketing-with-newton/30332
**Category:** Optimization (Mathematical)
**Tags:** question
**Created:** [October 26, 2019, 12:47pm UTC](https://discourse.julialang.org/t/optim-jl-bracketing-with-newton/30332 "2019-10-26T12:47:26Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![Tamas\_Papp](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/tamas_papp/32/25949_2.png) [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)
#### Post date: [October 28, 2019, 9:47am UTC](https://discourse.julialang.org/t/optim-jl-bracketing-with-newton/30332/8 "2019-10-28T09:47:15Z")

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It is hard to say more about this without an MWE (eg do you provide derivatives manually or use AD, what is rho [stepsize correction?], …).

> [@Please read: make it easier to help you](https://discourse.julialang.org/t/psa-make-it-easier-to-help-you/14757):
>
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