<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style>
<!--
@font-face
{font-family:Calibri}
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif"}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline}
span.E-MailFormatvorlage17
{font-family:"Calibri","sans-serif";
color:windowtext}
.MsoChpDefault
{font-family:"Calibri","sans-serif"}
@page WordSection1
{margin:70.85pt 70.85pt 2.0cm 70.85pt}
div.WordSection1
{}
-->
</style>
</head>
<body lang="DE" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoNormal">Hello,</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">I am currently trying to program a dynamic model of an electrolyzer ( lots of physical equations), by using the dassl solver. I implemented a lot of euqations in my res function and now I am stuck on the Error -8 -->Singularity.
</span></p>
<p class="MsoNormal"><span lang="EN-US">Is there a common way to further debug that problem and find a fix around that?</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="DE-AT" style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:#1F497D">Mit freundlichen Grüßen / Kind regards,</span><span style="font-size:10.0pt; color:#1F497D"></span></p>
<div class="MsoNormal" align="center" style="text-align:center"><span lang="EN-GB" style="font-size:8.0pt; font-family:"Arial","sans-serif"; color:#1F497D">
<hr size="2" width="100%" align="center">
</span></div>
<p class="MsoNormal"><b><span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:#1F497D">Jonathan Schwehm</span></b><span style="font-size:10.0pt; color:#1F497D"></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt; font-family:"Arial","sans-serif"; color:#1F497D">B.Eng</span></p>
<p class="MsoNormal"><span style="font-size:8.0pt; font-family:"Arial","sans-serif"; color:#1F497D"> </span><span style="color:#1F497D"></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt; font-family:"Arial","sans-serif"; color:#1F497D">Fon: +49 711 229645 51</span><span style="color:#1F497D"></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.0pt; font-family:"Arial","sans-serif"; color:#1F497D">Fax: +49 711 229645 99</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.0pt; font-family:"Arial","sans-serif"; color:#1F497D">Email:
<a href="mailto:jonathan.schwehm@etogas.com"><span style="color:blue">jonathan.schwehm@etogas.com</span></a></span><span lang="EN-US" style="color:#1F497D"></span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
</div>
<span style="font-family:; color:#1f497d">
<p><span><img id="Bild_x0020_2" border="0" alt="ETOGAS Image" src="http://www.etogas.com/logo/etogas-logo.jpg" width="200" height="36">
</span><span style="font-family:; color:#1f497d"><br>
<a href="http://www.etogas.com/"></p>
<p></p>
<span style="color:blue; font-size:8pt">http://www.etogas.com</span></a></span>
<p></p>
<p><b>ETOGAS GmbH</b></p>
<p><span style="font-family:; color:#ff0000">Achtung: SolarFuel GmbH heißt jetzt ETOGAS GmbH. Bitte beachten Sie unsere neuen e-mail-Adressen und unsere neue Internetadresse. Darüber hinaus ändern sich keine Kontaktdaten.
</p>
</span><span style="font-family:; color:#1f497d">Industriestraße 6, D-70565 Stuttgart<br>
Geschäftsführung: Dipl.-Ing. Gregor Waldstein, MBA | Dipl.-Ing. Dr. oec. HSG Karl Maria Grünauer
<span style="font-family:; color:#1f497d; font-size:7pt"><br>
Registergericht: Amtsgericht Stuttgart<br>
Handelsregister Nr.: HRB 733792<br>
Steuernummer: 99065/08453
<hr align="center" size="2" width="100%">
</span><span style="font-family:; color:#1f497d; font-size:7pt">USt-IdNr.: DE 27 216 66 37 Commerzbank AG, BLZ 600 800 00, KontoNr. 0902 1048 00<br>
BIC: DRES DE FF 600, IBAN: DE78 6008 0000 0902 1048 00</span>
<div align="center" style="text-align:center"><span style="font-family:; color:#1f497d; font-size:7pt">
<hr align="center" size="2" width="100%">
</span></div>
<span style="font-family:; color:#1f497d; font-size:7pt">D-U-N-S® Nummer: 341629227</span>
</span></span>
</body>
</html>