<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:Helvetica;
panose-1:2 11 6 4 2 2 2 2 2 4;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
pre
{mso-style-priority:99;
mso-style-link:"Préformaté HTML Car";
margin:0cm;
margin-bottom:.0001pt;
font-size:10.0pt;
font-family:"Courier New";}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.PrformatHTMLCar
{mso-style-name:"Préformaté HTML Car";
mso-style-priority:99;
mso-style-link:"Préformaté HTML";
font-family:"Courier New";
mso-fareast-language:FR-BE;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri",sans-serif;
mso-fareast-language:EN-US;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="FR-BE" link="#0563C1" vlink="#954F72">
<div class="WordSection1">
<p class="MsoNormal">Dear list,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">There is a small problem with cspline curve fitting from pst-plot: the cubic spline curve shows a discontinuity at point (514,0) but for a cubic spline the curve and its slope should be continuous.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Do you have the same behavior?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Patrice<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:maroon;mso-fareast-language:FR-BE">\documentclass</span><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">{article}</span><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:maroon;mso-fareast-language:FR-BE">\usepackage</span><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">[T1]{fontenc}</span><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:maroon;mso-fareast-language:FR-BE">\usepackage</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">[latin1]{inputenc}</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#606060;mso-fareast-language:FR-BE">%\usepackage[french]{babel}</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:maroon;mso-fareast-language:FR-BE">\usepackage</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">{filecontents}</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:maroon;mso-fareast-language:FR-BE">\usepackage</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">{pst-plot}</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#0000CC;mso-fareast-language:FR-BE">\begin</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">{document}</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#0000CC;mso-fareast-language:FR-BE">\begin</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">{<u>filecontents*</u>}{<u>datatestspline</u>.<u>dat</u>}</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">0, 0</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">214, 2</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">480, 0.1</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">514, 0</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">600, 1</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">625, 4</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">640, 0.5</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">656, 1</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">700, 0</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#0000CC;mso-fareast-language:FR-BE">\end</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">{<u>filecontents*</u>}</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:maroon;mso-fareast-language:FR-BE">\readdata</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">{</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:maroon;mso-fareast-language:FR-BE">\pmtest</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">}{<u>datatestspline</u>.<u>dat</u>}</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#0000CC;mso-fareast-language:FR-BE">\begin</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">{<u>psgraph</u>}[<u>Dy</u>=1,<u>Dx</u>=200,ticks=x,labels=x]{->}(0,0)(850,4.5){<u>6cm</u>}{<u>5cm</u>}</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:maroon;mso-fareast-language:FR-BE">\listplot</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">[showpoints=true,linecolor=orange,plotstyle=<u>cspline</u>]{</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:maroon;mso-fareast-language:FR-BE">\pmtest</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">}
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#606060;mso-fareast-language:FR-BE">%
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:#0000CC;mso-fareast-language:FR-BE">\end</span><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">{<u>psgraph</u>}</span><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:#0000CC;mso-fareast-language:FR-BE">\end</span><span style="font-size:10.0pt;font-family:"Courier New";color:black;mso-fareast-language:FR-BE">{document}</span><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR-BE"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="mso-fareast-language:FR-BE"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:18.0pt"><u><span style="color:gray;mso-fareast-language:FR"><o:p><span style="text-decoration:none"> </span></o:p></span></u></p>
<p class="MsoNormal" style="margin-left:18.0pt"><u><span lang="EN-US" style="font-size:22.0pt;font-family:"Helvetica",sans-serif;color:gray;mso-fareast-language:FR">U</span></u><span lang="EN-US" style="font-size:22.0pt;font-family:"Helvetica",sans-serif;color:#A80039;mso-fareast-language:FR">MONS</span><span lang="EN-US" style="font-size:22.0pt;color:#A80039;mso-fareast-language:FR"><br>
</span><u><span lang="EN-US" style="font-size:8.0pt;color:gray;mso-fareast-language:FR">__________________________________________________________<br>
</span></u><b><span lang="EN-US" style="font-size:10.0pt;color:#969696;mso-fareast-language:FR">Prof. Dr Ir Patrice Mégret<br>
</span></b><b><span lang="EN-US" style="font-size:10.0pt;color:gray;mso-fareast-language:FR">Université de Mons - University of Mons<o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left:18.0pt"><b><span lang="EN-US" style="font-size:10.0pt;color:gray;mso-fareast-language:FR">Faculté Polytechnique - Faculty of Engineering<br>
</span></b><span lang="EN-US" style="font-size:10.0pt;color:#A80039;mso-fareast-language:FR">Head of Electromagnetism and Telecommunication Department<br>
</span><span lang="EN-US" style="font-size:10.0pt;color:gray;mso-fareast-language:FR">Boulevard Dolez 31<br>
7000 Mons<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:18.0pt"><span lang="EN-US" style="font-size:10.0pt;color:gray;mso-fareast-language:FR">Belgium<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:18.0pt"><span lang="EN-US" style="font-size:10.0pt;color:gray;mso-fareast-language:FR">+32(0)65/37.41.91 (direct)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:18.0pt"><span lang="EN-US" style="font-size:10.0pt;color:gray;mso-fareast-language:FR">+32(0)65/37.41.47 (secretary)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:18.0pt"><span lang="EN-US" style="font-size:10.0pt;color:gray;mso-fareast-language:FR">+32(0)65/37.41.99 (fax)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:18.0pt"><span lang="FR" style="font-size:10.0pt;color:#1F497D;mso-fareast-language:FR"><a href="http://www.umons.ac.be/telecom"><span lang="EN-US" style="color:blue">Site web telecom</span></a></span><span lang="EN-US" style="font-size:10.0pt;color:#1F497D;mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:18.0pt"><span lang="FR" style="font-size:10.0pt;color:#1F497D;mso-fareast-language:FR"><a href="people.umons.ac.be/patrice.megret"><span style="color:blue">Staff</span></a><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:18.0pt"><span lang="FR" style="font-size:10.0pt;color:#1F497D;mso-fareast-language:FR"><a href="http://www.telecom.fpms.ac.be/umons/member.asp?au=PM"><span style="color:blue">Page personnelle</span></a></span><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">
<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:12.0pt;margin-left:18.0pt">
<u><span style="font-size:8.0pt;color:gray;mso-fareast-language:FR">__________________________________________________________</span></u><span style="font-size:10.0pt;color:gray;mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</body>
</html>