From ce41cd4da90b6f264b48d86197d02a40130c6dea Mon Sep 17 00:00:00 2001
From: Stefan Kroboth <stefan.kroboth@gmail.com>
Date: Sat, 6 Jan 2024 12:39:21 +0100
Subject: [PATCH] Blogpost argmin version 0.9.0

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+title = "argmin 0.9.0 released"
+description = ""
+date = 2024-01-06T00:00:00+00:00
+updated = 2024-01-06T00:00:00+00:00
+draft = false
+template = "blog/page.html"
+
+[taxonomies]
+authors = ["Stefan Kroboth"]
+
+[extra]
++++
+
+<b>argmin</b> is a Rust library which offers a range of numerical optimization methods and a framework for 
+developing optimization algorithms.  For details about the design of argmin and its features I suggest having a look at
+[the website](https://argmin-rs.org),
+[the book](https://argmin-rs.org/book),
+[Github](https://github.com/argmin-rs/argmin),
+[crates.io](https://crates.io/crates/argmin) and
+[lib.rs](https://lib.rs/crates/argmin).
+
+This is a short summary of the changes in argmin 0.9.0 (and 0.8.1 as this version didn't get its own blog post) compared to 0.8.0.
+Feel free to reach out via [Github](https://github.com/argmin-rs/argmin) or the new [Discord server](https://discord.gg/fYB8AwxxMW) if you encounter any issues during the upgrade.
+
+## argmin 0.9.0
+
+* Line search now correctly searches over gradient instead of parameter vector ([@DevonMorris](https://github.com/DevonMorris)) (**Breaking change**)
+* SteepestDescent now correctly keeps track of prev_param ([@DevonMorris](https://github.com/DevonMorris))
+* `ArgminInv` is now also implemented for 1D matrices ([@sdrap](https://github.com/sdrap))
+* [@cjordan](https://github.com/cjordan) added another [example](https://github.com/argmin-rs/argmin/blob/main/argmin/examples/neldermead-cubic.rs) of how to use Nelder-Mead
+* Fixed a couple of typos and mistakes in the documentation ([@itrumper](https://github.com/itrumper), [@imeckler](https://github.com/imeckler), [@stefan-k](https://github.com/stefan-k))
+
+## argmin 0.8.1
+
+* The `Serialize` and `Deserialize` derives for `ObserverMode` somehow got lost. This was fixed by [@maoe](https://github.com/maoe)
+
+## Other news
+
+The [`cobyla`](https://crates.io/crates/cobyla) crate was made compatible with argmin (Thanks to [@relf](https://github.com/relf)).
+
+## New Discord server
+
+Since the old Gitter channel didn't get much use we now finally have a [Discord server](https://discord.gg/fYB8AwxxMW)! I'm looking forward to seeing many of you there!
+
+## Thanks
+
+Big thanks to everyone who contributed to these releases: 
+[@cjordan](https://github.com/cjordan)
+[@DevonMorris](https://github.com/DevonMorris)
+[@imeckler](https://github.com/imeckler)
+[@itrumper](https://github.com/itrumper)
+[@jjbayer](https://github.com/jjbayer)
+[@maoe](https://github.com/maoe)
+[@relf](https://github.com/relf)
+[@sdrap](https://github.com/sdrap)
+[@stefan-k](https://github.com/stefan-k),
+and everyone who opened and responded to issues and discussions!
+
+
+
+<br>
+<script async defer src="https://buttons.github.io/buttons.js"></script>
+<p align="center">
+<a class="github-button" href="https://github.com/argmin-rs/argmin" data-icon="octicon-star" data-size="large" data-show-count="true" aria-label="Star argmin-rs/argmin on GitHub">Star</a>
+<a class="github-button" href="https://github.com/argmin-rs/argmin/subscription" data-icon="octicon-eye" data-size="large" data-show-count="true" aria-label="Watch argmin-rs/argmin on GitHub">Watch</a>
+<a class="github-button" href="https://github.com/argmin-rs/argmin/fork" data-icon="octicon-repo-forked" data-size="large" data-show-count="true" aria-label="Fork argmin-rs/argmin on GitHub">Fork</a>
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+</p>