<div dir="ltr">From the (beautifully written) draft PEP:<div><br></div><div>"Different optimization algorithms can inherit from Optimizer, with each of the subclasses overriding the __next__ method ..."</div><div><br></div><div>I'm unclear re. whether this approach would allow something like a parallel implementation of Nelder-Mead.</div><div><br></div><div>Phillip<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Mar 4, 2018 at 7:05 PM, Andrew Nelson <span dir="ltr"><<a href="mailto:andyfaff@gmail.com" target="_blank">andyfaff@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Scott Sievert and I have put a lot of work into preparing a draft of the PEP for class based scalar minimizers:<div><br><div><a href="https://github.com/andyfaff/scipy/blob/a52bb4f9029389da3ab072c92c609d71ed6943c6/PEP/1-Optimizer.rst" target="_blank">https://github.com/andyfaff/<wbr>scipy/blob/<wbr>a52bb4f9029389da3ab072c92c609d<wbr>71ed6943c6/PEP/1-Optimizer.rst</a><br></div><div style="text-align:start;text-indent:0px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial">where we've tried to address comments already made in this thread, and from the WIP github PR. Scott and I look forward to hearing any comments/concerns/feedback about the proposal. We can field any questions and address them in an updated PEP, as well as on here.</div><span class="HOEnZb"><font color="#888888"><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial">Andrew.</div></font></span><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial">p.s. Ralf/Pauli, could we add the PEP to a scipy/PEP, or scipy/scipep, repo? How should we discuss such this, and any further PEP? Should we have a scipep process, or shall we keep things simple?</div></div></div>
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