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<title>Description of qnorm</title>
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<h1>qnorm
</h1>
<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="box"><strong>QNORM The normal inverse distribution function</strong></div>
<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="box"><strong>function x = qnorm(p,m,s) </strong></div>
<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="fragment"><pre class="comment">QNORM The normal inverse distribution function
x = qnorm(p,Mean,StandardDeviation)</pre></div>
<!-- crossreference -->
<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
This function calls:
<ul style="list-style-image:url(../matlabicon.gif)">
</ul>
This function is called by:
<ul style="list-style-image:url(../matlabicon.gif)">
<li><a href="compDist.html" class="code" title="function compdist(xparam1, x2, pltopt, figurename)">compDist</a> </li><li><a href="draw_prior_density.html" class="code" title="function [x,f,abscissa,dens,binf,bsup] = draw_prior_density(indx);">draw_prior_density</a> stephane.adjemian@ens.fr [07-15-2004]</li><li><a href="p2toperc.html" class="code" title="function y=p2toperc(x)">p2toperc</a> </li><li><a href="prior_bounds.html" class="code" title="function bounds = prior_bounds(bayestopt)">prior_bounds</a> </li></ul>
<!-- crossreference -->
<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" class="code">function x = qnorm(p,m,s)</a>
0002 <span class="comment">%QNORM The normal inverse distribution function</span>
0003 <span class="comment">%</span>
0004 <span class="comment">% x = qnorm(p,Mean,StandardDeviation)</span>
0005
0006 <span class="comment">% Anders Holtsberg, 13-05-94</span>
0007 <span class="comment">% Copyright (c) Anders Holtsberg</span>
0008
0009 <span class="keyword">if</span> nargin&lt;3, s=1; <span class="keyword">end</span>
0010 <span class="keyword">if</span> nargin&lt;2, m=0; <span class="keyword">end</span>
0011
0012 <span class="keyword">if</span> any(any(abs(2*p-1)&gt;1))
0013 error(<span class="string">'A probability should be 0&lt;=p&lt;=1, please!'</span>)
0014 <span class="keyword">end</span>
0015 <span class="keyword">if</span> any(any(s&lt;=0))
0016 error(<span class="string">'Parameter s is wrong'</span>)
0017 <span class="keyword">end</span>
0018
0019 x = erfinv(2*p-1).*sqrt(2).*s + m;
0020</pre></div>
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