[Kst] www/areas/extragear/apps/kst/handbook

Tue Jan 26 19:11:52 CET 2010

SVN commit 1080690 by zhang:

updating documentation

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 <html><head><title>Fit Plugins</title><link rel="stylesheet" href="help:/common/kde-default.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.67.2"><meta name="keywords" content="KDE, kdeextragear, kdeextragear-2, Kst, plotting, plot"><link rel="start" href="index.html" title="The Kst Handbook"><link rel="up" href="plugins.html" title="Chapter 8. Plugins, Fits, and Filters"><link rel="prev" href="plugins-builtindescriptions.html" title="Built-in Plugins"><link rel="next" href="plugins-interpolations.html" title="Interpolation Plugins"><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta name="GENERATOR" content="KDE XSL Stylesheet V1.13 using libxslt"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div style="background-image: url(help:/common/top-middle.png); width: 100%; height: 131px;"><div style="position: absolute;                      right: 0px;"><img src="help:/common/top-ri
 ght-konqueror.png" style="margin: 0px" alt=""></div><div style="position: absolute;                         top: 25px;                          right: 100px;                          text-align: right;                          font-size: xx-large;                          font-weight: bold;                          text-shadow: #fff 0px 0px 5px;                          color: #444">Fit Plugins</div></div><div style="margin-top: 20px; background-color: #white;                        color: black;                       margin-left: 20px;                        margin-right: 20px;"><div style="position: absolute;                          left: 20px;"><a accesskey="p" href="plugins-builtindescriptions.html">Prev</a></div><div style="position: absolute;                          right: 20px;"><a accesskey="n" href="plugins-interpolations.html">Next</a></div><div class="navCenter">Plugins, Fits, and Filters</div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><
 h2 class="title" style="clear: both"><a name="plugins-fit"></a>Fit Plugins</h2></div></div></div><p>Kst provides lots of algorithms to perform data fitting. All fitting plugins output a vector of best fitted parameters, covariances, and Chi^2/Nu. These values can be seen by selecting the <span xmlns:doc="http://nwalsh.com/xsl/documentation/1.0" class="guiitem"><span class="guimenu">Data</span></span>-&gt;<span xmlns:doc="http://nwalsh.com/xsl/documentation/1.0" class="guiitem"><span class="guimenuitem">View Fit Results</span></span>
+</p><p>Note: The weight is not the same as the error. It is given as 1/yError^2.
 </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="plugins-kstfit-non-linear"></a>Fit any non-linear function</h3></div></div></div><p>
 This plugin is used to fit a set of data using the Levenberg-Marquardt algorithm.
 </p><div class="screenshot"><div xmlns:doc="http://nwalsh.com/xsl/documentation/1.0" class="mediaobject"><hr><img src="Screenshot-kst-plugins-fitnonlinear.png" alt="non-linear fit"><hr></div></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="plugins-kstfit_non_linear-inputs"></a>Inputs</h4></div></div></div><div class="variablelist"><dl><dt><span class="term"><span xmlns:doc="http://nwalsh.com/xsl/documentation/1.0" class="guiitem"><span class="guilabel">X Array</span></span> (vector)</span></dt><dd><p>
