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3<title>mixpp: sqmat Class Reference</title>
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10    <li><a href="index.html"><span>Main&nbsp;Page</span></a></li>
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16  <ul>
17    <li><a href="annotated.html"><span>Class&nbsp;List</span></a></li>
18    <li><a href="hierarchy.html"><span>Class&nbsp;Hierarchy</span></a></li>
19    <li><a href="functions.html"><span>Class&nbsp;Members</span></a></li>
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22<h1>sqmat Class Reference</h1><!-- doxytag: class="sqmat" -->Virtual class for representation of double symmetric matrices in square-root form. 
23<a href="#_details">More...</a>
24<p>
25<code>#include &lt;<a class="el" href="libDC_8h-source.html">libDC.h</a>&gt;</code>
26<p>
27<div class="dynheader">
28Inheritance diagram for sqmat:</div>
29<div class="dynsection">
30
31<p><center><img src="classsqmat.png" usemap="#sqmat_map" border="0" alt=""></center>
32<map name="sqmat_map">
33<area href="classfsqmat.html" alt="fsqmat" shape="rect" coords="0,56,47,80">
34</map>
35</div>
36
37<p>
38<a href="classsqmat-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
39<tr><td></td></tr>
40<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
41<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#b223484796661f2dadb5607a86ce0581">opupdt</a> (const vec &amp;v, double w)=0</td></tr>
42
43<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9a5b6fddfeb42339e1dc9b978a2590fc"></a><!-- doxytag: member="sqmat::to_mat" ref="9a5b6fddfeb42339e1dc9b978a2590fc" args="()=0" -->
44virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#9a5b6fddfeb42339e1dc9b978a2590fc">to_mat</a> ()=0</td></tr>
45
46<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Conversion to full matrix. <br></td></tr>
47<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#faa3bc90be142adde9cf74f573c70157">mult_sym</a> (const mat &amp;C, bool trans=true)=0</td></tr>
48
49<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Inplace symmetric multiplication by a SQUARE matrix $C$, i.e. $V = C*V*C'$.  <a href="#faa3bc90be142adde9cf74f573c70157"></a><br></td></tr>
50<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5c852819589f74cdaefbd648c0ce8547"></a><!-- doxytag: member="sqmat::logdet" ref="5c852819589f74cdaefbd648c0ce8547" args="()=0" -->
51virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#5c852819589f74cdaefbd648c0ce8547">logdet</a> ()=0</td></tr>
52
53<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Logarithm of a determinant. <br></td></tr>
54<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="44e079468bc8bfccf634dc85b32ba6be"></a><!-- doxytag: member="sqmat::qform" ref="44e079468bc8bfccf634dc85b32ba6be" args="(vec &amp;v)=0" -->
55virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#44e079468bc8bfccf634dc85b32ba6be">qform</a> (vec &amp;v)=0</td></tr>
56
57<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Evaluates quadratic form $x= v'*V*v$;. <br></td></tr>
58<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6fca246f9eabbdeb8cac03030e826b5e"></a><!-- doxytag: member="sqmat::clear" ref="6fca246f9eabbdeb8cac03030e826b5e" args="()=0" -->
59virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#6fca246f9eabbdeb8cac03030e826b5e">clear</a> ()=0</td></tr>
60
61<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Clearing matrix so that it corresponds to zeros. <br></td></tr>
62<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="743d3799d9e73403230c54e14ecf09ed"></a><!-- doxytag: member="sqmat::cols" ref="743d3799d9e73403230c54e14ecf09ed" args="()=0" -->
63virtual int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#743d3799d9e73403230c54e14ecf09ed">cols</a> ()=0</td></tr>
64
65<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Reimplementing common functions of mat: <a class="el" href="classsqmat.html#743d3799d9e73403230c54e14ecf09ed" title="Reimplementing common functions of mat: cols().">cols()</a>. <br></td></tr>
66<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f59664a4be09450f8c6ce3f5e5ab2dc7"></a><!-- doxytag: member="sqmat::rows" ref="f59664a4be09450f8c6ce3f5e5ab2dc7" args="()=0" -->
67virtual int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#f59664a4be09450f8c6ce3f5e5ab2dc7">rows</a> ()=0</td></tr>
68
69<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Reimplementing common functions of mat: <a class="el" href="classsqmat.html#743d3799d9e73403230c54e14ecf09ed" title="Reimplementing common functions of mat: cols().">cols()</a>. <br></td></tr>
70<tr><td colspan="2"><br><h2>Friends</h2></td></tr>
71<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c9eb5aa871432ddb9c5a45ddbbb19eab"></a><!-- doxytag: member="sqmat::operator&lt;&lt;" ref="c9eb5aa871432ddb9c5a45ddbbb19eab" args="(std::ostream &amp;os, sqmat &amp;sq)" -->
72std::ostream &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><b>operator&lt;&lt;</b> (std::ostream &amp;os, <a class="el" href="classsqmat.html">sqmat</a> &amp;sq)</td></tr>
73
74</table>
75<hr><a name="_details"></a><h2>Detailed Description</h2>
76Virtual class for representation of double symmetric matrices in square-root form.
77<p>
78All operations defined on this class should be optimized for the chosed decomposition. <hr><h2>Member Function Documentation</h2>
79<a class="anchor" name="b223484796661f2dadb5607a86ce0581"></a><!-- doxytag: member="sqmat::opupdt" ref="b223484796661f2dadb5607a86ce0581" args="(const vec &amp;v, double w)=0" -->
80<div class="memitem">
81<div class="memproto">
82      <table class="memname">
83        <tr>
84          <td class="memname">virtual void sqmat::opupdt           </td>
85          <td>(</td>
86          <td class="paramtype">const vec &amp;&nbsp;</td>
87          <td class="paramname"> <em>v</em>, </td>
88        </tr>
89        <tr>
90          <td class="paramkey"></td>
91          <td></td>
92          <td class="paramtype">double&nbsp;</td>
93          <td class="paramname"> <em>w</em></td><td>&nbsp;</td>
94        </tr>
95        <tr>
96          <td></td>
97          <td>)</td>
98          <td></td><td></td><td width="100%"><code> [pure virtual]</code></td>
99        </tr>
100      </table>
101</div>
102<div class="memdoc">
103
104<p>
105Perfroms a rank-1 update by outer product of vectors: $V = V + w v v'$. <dl compact><dt><b>Parameters:</b></dt><dd>
106  <table border="0" cellspacing="2" cellpadding="0">
107    <tr><td valign="top"></td><td valign="top"><em>v</em>&nbsp;</td><td>Vector forming the outer product to be added </td></tr>
108    <tr><td valign="top"></td><td valign="top"><em>w</em>&nbsp;</td><td>weight of updating; can be negative</td></tr>
109  </table>
110</dl>
111BLAS-2b operation.
112</div>
113</div><p>
114<a class="anchor" name="faa3bc90be142adde9cf74f573c70157"></a><!-- doxytag: member="sqmat::mult_sym" ref="faa3bc90be142adde9cf74f573c70157" args="(const mat &amp;C, bool trans=true)=0" -->
115<div class="memitem">
116<div class="memproto">
117      <table class="memname">
118        <tr>
119          <td class="memname">virtual void sqmat::mult_sym           </td>
120          <td>(</td>
121          <td class="paramtype">const mat &amp;&nbsp;</td>
122          <td class="paramname"> <em>C</em>, </td>
123        </tr>
124        <tr>
125          <td class="paramkey"></td>
126          <td></td>
127          <td class="paramtype">bool&nbsp;</td>
128          <td class="paramname"> <em>trans</em> = <code>true</code></td><td>&nbsp;</td>
129        </tr>
130        <tr>
131          <td></td>
132          <td>)</td>
133          <td></td><td></td><td width="100%"><code> [pure virtual]</code></td>
134        </tr>
135      </table>
136</div>
137<div class="memdoc">
138
139<p>
140Inplace symmetric multiplication by a SQUARE matrix $C$, i.e. $V = C*V*C'$.
141<p>
142<dl compact><dt><b>Parameters:</b></dt><dd>
143  <table border="0" cellspacing="2" cellpadding="0">
144    <tr><td valign="top"></td><td valign="top"><em>C</em>&nbsp;</td><td>multiplying matrix, </td></tr>
145    <tr><td valign="top"></td><td valign="top"><em>trans</em>&nbsp;</td><td>if true, product $V = C'*V*C$ will be computed instead; </td></tr>
146  </table>
147</dl>
148
149</div>
150</div><p>
151<hr>The documentation for this class was generated from the following file:<ul>
152<li>work/mixpp/<a class="el" href="libDC_8h-source.html">libDC.h</a></ul>
153<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jan 23 11:30:12 2008 for mixpp by&nbsp;
154<a href="http://www.doxygen.org/index.html">
155<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
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