<div dir="ltr"><div dir="ltr">On Sat, May 6, 2023 at 11:47 AM Huidong Yang <<a href="mailto:huidong.yang@ricam.oeaw.ac.at">huidong.yang@ricam.oeaw.ac.at</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Petsc developer. <br>
<br>
may I ask if there is any available implementations in petsc <br>
using leap-frog scheme?<br></blockquote><div><br></div><div>I don't think we have leapfrog, but we do have Stormer-Verlet, which is also a 2nd order symplectic method.</div><div><br></div><div> Thanks,</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Thanks.<br>
<br>
</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener</div><div><br></div><div><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div></div></div></div>