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26<h1>fsqmat Class Reference</h1><!-- doxytag: class="fsqmat" --><!-- doxytag: inherits="sqmat" -->Fake <a class="el" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a>. This class maps <a class="el" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a> operations to operations on full matrix. 
27<a href="#_details">More...</a>
28<p>
29<code>#include &lt;<a class="el" href="libDC_8h-source.html">libDC.h</a>&gt;</code>
30<p>
31<div class="dynheader">
32Inheritance diagram for fsqmat:</div>
33<div class="dynsection">
34<p><center><img src="classfsqmat__inherit__graph.png" border="0" usemap="#fsqmat__inherit__map" alt="Inheritance graph"></center>
35<map name="fsqmat__inherit__map">
36<area shape="rect" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square&#45;root form..." alt="" coords="8,7,64,31"></map>
37<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
38<div class="dynheader">
39Collaboration diagram for fsqmat:</div>
40<div class="dynsection">
41<p><center><img src="classfsqmat__coll__graph.png" border="0" usemap="#fsqmat__coll__map" alt="Collaboration graph"></center>
42<map name="fsqmat__coll__map">
43<area shape="rect" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square&#45;root form..." alt="" coords="8,7,64,31"></map>
44<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
45
46<p>
47<a href="classfsqmat-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
48<tr><td></td></tr>
49<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
50<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#b36530e155667fe9f1bd58394e50c65a">opupdt</a> (const vec &amp;v, double w)</td></tr>
51
52<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f54fc955e8e3b43d15afa92124bc24b3"></a><!-- doxytag: member="fsqmat::to_mat" ref="f54fc955e8e3b43d15afa92124bc24b3" args="() const " -->
53mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#f54fc955e8e3b43d15afa92124bc24b3">to_mat</a> () const </td></tr>
54
55<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Conversion to full matrix. <br></td></tr>
56<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#5530d2756b5d991de755e6121c9a452e">mult_sym</a> (const mat &amp;C)</td></tr>
57
58<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Inplace symmetric multiplication by a SQUARE matrix <img class="formulaInl" alt="$C$" src="form_24.png">, i.e. <img class="formulaInl" alt="$V = C*V*C'$" src="form_25.png">.  <a href="#5530d2756b5d991de755e6121c9a452e"></a><br></td></tr>
59<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#92052a8adc2054b63e42d1373d145c89">mult_sym_t</a> (const mat &amp;C)</td></tr>
60
61<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Inplace symmetric multiplication by a SQUARE transpose of matrix <img class="formulaInl" alt="$C$" src="form_24.png">, i.e. <img class="formulaInl" alt="$V = C'*V*C$" src="form_26.png">.  <a href="#92052a8adc2054b63e42d1373d145c89"></a><br></td></tr>
62<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d4eddc3743c8865cc5ed92d14de0e3e3"></a><!-- doxytag: member="fsqmat::mult_sym" ref="d4eddc3743c8865cc5ed92d14de0e3e3" args="(const mat &amp;C, fsqmat &amp;U) const " -->
63void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#d4eddc3743c8865cc5ed92d14de0e3e3">mult_sym</a> (const mat &amp;C, <a class="el" href="classfsqmat.html">fsqmat</a> &amp;U) const </td></tr>
64
65<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">store result of <code>mult_sym</code> in external matrix <img class="formulaInl" alt="$U$" src="form_31.png"> <br></td></tr>
66<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ae4949ad2a32553c7fa04d6d1483770a"></a><!-- doxytag: member="fsqmat::mult_sym_t" ref="ae4949ad2a32553c7fa04d6d1483770a" args="(const mat &amp;C, fsqmat &amp;U) const " -->
67void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#ae4949ad2a32553c7fa04d6d1483770a">mult_sym_t</a> (const mat &amp;C, <a class="el" href="classfsqmat.html">fsqmat</a> &amp;U) const </td></tr>
68
69<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">store result of <code>mult_sym_t</code> in external matrix <img class="formulaInl" alt="$U$" src="form_31.png"> <br></td></tr>
70<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="cfa4c359483d2322f32d1d50050f8ac4"></a><!-- doxytag: member="fsqmat::clear" ref="cfa4c359483d2322f32d1d50050f8ac4" args="()" -->
71void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#cfa4c359483d2322f32d1d50050f8ac4">clear</a> ()</td></tr>
72
73<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Clearing matrix so that it corresponds to zeros. <br></td></tr>
74<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="79e3f73e0ccd663c7f7e08083d272940"></a><!-- doxytag: member="fsqmat::fsqmat" ref="79e3f73e0ccd663c7f7e08083d272940" args="()" -->
75&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#79e3f73e0ccd663c7f7e08083d272940">fsqmat</a> ()</td></tr>
76
77<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default initialization. <br></td></tr>
78<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="40eae99305e7c7240fa95cfec125b06f"></a><!-- doxytag: member="fsqmat::fsqmat" ref="40eae99305e7c7240fa95cfec125b06f" args="(const int dim0)" -->
79&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#40eae99305e7c7240fa95cfec125b06f">fsqmat</a> (const int dim0)</td></tr>
80
81<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default initialization with proper size. <br></td></tr>
82<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1929fbc9fe375f1d67f979d0d302336f"></a><!-- doxytag: member="fsqmat::fsqmat" ref="1929fbc9fe375f1d67f979d0d302336f" args="(const mat &amp;M)" -->
83&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#1929fbc9fe375f1d67f979d0d302336f">fsqmat</a> (const mat &amp;<a class="el" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453">M</a>)</td></tr>
84
85<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor. <br></td></tr>
86<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9e19a5e26083f4a493b6fad38cc40fab"></a><!-- doxytag: member="fsqmat::fsqmat" ref="9e19a5e26083f4a493b6fad38cc40fab" args="(const fsqmat &amp;M, const ivec &amp;perm)" -->
87&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#9e19a5e26083f4a493b6fad38cc40fab">fsqmat</a> (const <a class="el" href="classfsqmat.html">fsqmat</a> &amp;<a class="el" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453">M</a>, const ivec &amp;perm)</td></tr>
88
89<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor. <br></td></tr>
90<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c01f3e9bb590f2a2921369d672f3ce1e"></a><!-- doxytag: member="fsqmat::fsqmat" ref="c01f3e9bb590f2a2921369d672f3ce1e" args="(const vec &amp;d)" -->
91&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#c01f3e9bb590f2a2921369d672f3ce1e">fsqmat</a> (const vec &amp;d)</td></tr>
92
93<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor. <br></td></tr>
94<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2a8f104e4befbc2aa90d8b11edfedb2e"></a><!-- doxytag: member="fsqmat::~fsqmat" ref="2a8f104e4befbc2aa90d8b11edfedb2e" args="()" -->
95virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#2a8f104e4befbc2aa90d8b11edfedb2e">~fsqmat</a> ()</td></tr>
96
97<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Destructor for future use;. <br></td></tr>
98<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#9fa853e1ca28f2a1a1c43377e798ecb1">inv</a> (<a class="el" href="classfsqmat.html">fsqmat</a> &amp;Inv)</td></tr>
99
100<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Matrix inversion preserving the chosen form.  <a href="#9fa853e1ca28f2a1a1c43377e798ecb1"></a><br></td></tr>
101<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="eb0d1358f536e4453b5f99d0418ca1e5"></a><!-- doxytag: member="fsqmat::logdet" ref="eb0d1358f536e4453b5f99d0418ca1e5" args="() const " -->
102double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#eb0d1358f536e4453b5f99d0418ca1e5">logdet</a> () const </td></tr>
103
104<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Logarithm of a determinant. <br></td></tr>
105<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a6c91b0389e73404324b2314b08d6e87"></a><!-- doxytag: member="fsqmat::qform" ref="a6c91b0389e73404324b2314b08d6e87" args="(const vec &amp;v) const " -->
106double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#a6c91b0389e73404324b2314b08d6e87">qform</a> (const vec &amp;v) const </td></tr>
107
108<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Evaluates quadratic form <img class="formulaInl" alt="$x= v'*V*v$" src="form_29.png">;. <br></td></tr>
109<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="58075da64ddadd4df40654c35b928c6f"></a><!-- doxytag: member="fsqmat::invqform" ref="58075da64ddadd4df40654c35b928c6f" args="(const vec &amp;v) const " -->
110double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#58075da64ddadd4df40654c35b928c6f">invqform</a> (const vec &amp;v) const </td></tr>
111
112<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Evaluates quadratic form <img class="formulaInl" alt="$x= v'*inv(V)*v$" src="form_30.png">;. <br></td></tr>
113<tr><td class="memItemLeft" nowrap align="right" valign="top">vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#842a774077ee34ac3c36d180ab33e103">sqrt_mult</a> (const vec &amp;v) const </td></tr>
114
115<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Multiplies square root of <img class="formulaInl" alt="$V$" src="form_27.png"> by vector <img class="formulaInl" alt="$x$" src="form_28.png">.  <a href="#842a774077ee34ac3c36d180ab33e103"></a><br></td></tr>
116<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a2e0bf7dbbbbe1d3358064c4ad455f1f"></a><!-- doxytag: member="fsqmat::add" ref="a2e0bf7dbbbbe1d3358064c4ad455f1f" args="(const fsqmat &amp;fsq2, double w=1.0)" -->
117void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#a2e0bf7dbbbbe1d3358064c4ad455f1f">add</a> (const <a class="el" href="classfsqmat.html">fsqmat</a> &amp;fsq2, double w=1.0)</td></tr>
118
119<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Add another matrix in fsq form with weight w. <br></td></tr>
120<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="922f8190c13987cbcdb33ec2bf5cf105"></a><!-- doxytag: member="fsqmat::setD" ref="922f8190c13987cbcdb33ec2bf5cf105" args="(const vec &amp;nD)" -->
121void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#922f8190c13987cbcdb33ec2bf5cf105">setD</a> (const vec &amp;nD)</td></tr>
122
123<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Access functions. <br></td></tr>
124<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bcf837b2956745e8986044f5600dbd6e"></a><!-- doxytag: member="fsqmat::getD" ref="bcf837b2956745e8986044f5600dbd6e" args="()" -->
125vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#bcf837b2956745e8986044f5600dbd6e">getD</a> ()</td></tr>
126
127<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Access functions. <br></td></tr>
128<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="03a8f49eb4d38a054ecc522be59cd2ad"></a><!-- doxytag: member="fsqmat::setD" ref="03a8f49eb4d38a054ecc522be59cd2ad" args="(const vec &amp;nD, int i)" -->
129void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#03a8f49eb4d38a054ecc522be59cd2ad">setD</a> (const vec &amp;nD, int i)</td></tr>
130
131<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Access functions. <br></td></tr>
132<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="514d1fdd8a382dbd6a774f2cf1ebd3de"></a><!-- doxytag: member="fsqmat::operator+=" ref="514d1fdd8a382dbd6a774f2cf1ebd3de" args="(const fsqmat &amp;A)" -->
133<a class="el" href="classfsqmat.html">fsqmat</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#514d1fdd8a382dbd6a774f2cf1ebd3de">operator+=</a> (const <a class="el" href="classfsqmat.html">fsqmat</a> &amp;A)</td></tr>
134
135<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">add another <a class="el" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a> matrix <br></td></tr>
136<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e976bc9d899961e1d2087b0630ed33b7"></a><!-- doxytag: member="fsqmat::operator-=" ref="e976bc9d899961e1d2087b0630ed33b7" args="(const fsqmat &amp;A)" -->
137<a class="el" href="classfsqmat.html">fsqmat</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#e976bc9d899961e1d2087b0630ed33b7">operator-=</a> (const <a class="el" href="classfsqmat.html">fsqmat</a> &amp;A)</td></tr>
138
139<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">subtrack another <a class="el" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a> matrix <br></td></tr>
140<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="af800e7b2146da5e60897255dde80059"></a><!-- doxytag: member="fsqmat::operator*=" ref="af800e7b2146da5e60897255dde80059" args="(double x)" -->
141<a class="el" href="classfsqmat.html">fsqmat</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#af800e7b2146da5e60897255dde80059">operator*=</a> (double x)</td></tr>
142
143<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">multiply by a scalar <br></td></tr>
144<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ecc2e2540f95a04f4449842588170f5b"></a><!-- doxytag: member="fsqmat::cols" ref="ecc2e2540f95a04f4449842588170f5b" args="() const " -->
145int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#ecc2e2540f95a04f4449842588170f5b">cols</a> () const </td></tr>
146
147<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Reimplementing common functions of mat: <a class="el" href="classsqmat.html#ecc2e2540f95a04f4449842588170f5b" title="Reimplementing common functions of mat: cols().">cols()</a>. <br></td></tr>
148<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="071e80ced9cc3b8cbb360fa7462eb646"></a><!-- doxytag: member="fsqmat::rows" ref="071e80ced9cc3b8cbb360fa7462eb646" args="() const " -->
149int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#071e80ced9cc3b8cbb360fa7462eb646">rows</a> () const </td></tr>
150
151<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Reimplementing common functions of mat: <a class="el" href="classsqmat.html#ecc2e2540f95a04f4449842588170f5b" title="Reimplementing common functions of mat: cols().">cols()</a>. <br></td></tr>
152<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
153<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a7a1fcb9aae19d1e4daddfc9c22ce453"></a><!-- doxytag: member="fsqmat::M" ref="a7a1fcb9aae19d1e4daddfc9c22ce453" args="" -->
154mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453">M</a></td></tr>
155
156<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Full matrix on which the operations are performed. <br></td></tr>
157<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0abed904bdc0882373ba9adba919689d"></a><!-- doxytag: member="fsqmat::dim" ref="0abed904bdc0882373ba9adba919689d" args="" -->
158int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#0abed904bdc0882373ba9adba919689d">dim</a></td></tr>
159
160<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dimension of the square matrix <br></td></tr>
161<tr><td colspan="2"><br><h2>Friends</h2></td></tr>
162<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e06aba54d61e807b41bd68b5ee6ac22f"></a><!-- doxytag: member="fsqmat::operator&lt;&lt;" ref="e06aba54d61e807b41bd68b5ee6ac22f" args="(std::ostream &amp;os, const fsqmat &amp;sq)" -->
163std::ostream &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfsqmat.html#e06aba54d61e807b41bd68b5ee6ac22f">operator&lt;&lt;</a> (std::ostream &amp;os, const <a class="el" href="classfsqmat.html">fsqmat</a> &amp;sq)</td></tr>
164
165<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">print full matrix <br></td></tr>
166</table>
167<hr><a name="_details"></a><h2>Detailed Description</h2>
168Fake <a class="el" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a>. This class maps <a class="el" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a> operations to operations on full matrix.
169<p>
170This class can be used to compare performance of algorithms using decomposed matrices with perormance of the same algorithms using full matrices; <hr><h2>Member Function Documentation</h2>
171<a class="anchor" name="b36530e155667fe9f1bd58394e50c65a"></a><!-- doxytag: member="fsqmat::opupdt" ref="b36530e155667fe9f1bd58394e50c65a" args="(const vec &amp;v, double w)" -->
172<div class="memitem">
173<div class="memproto">
174      <table class="memname">
175        <tr>
176          <td class="memname">void fsqmat::opupdt           </td>
177          <td>(</td>
178          <td class="paramtype">const vec &amp;&nbsp;</td>
179          <td class="paramname"> <em>v</em>, </td>
180        </tr>
181        <tr>
182          <td class="paramkey"></td>
183          <td></td>
184          <td class="paramtype">double&nbsp;</td>
185          <td class="paramname"> <em>w</em></td><td>&nbsp;</td>
186        </tr>
187        <tr>
188          <td></td>
189          <td>)</td>
190          <td></td><td></td><td><code> [virtual]</code></td>
191        </tr>
192      </table>
193</div>
194<div class="memdoc">
195
196<p>
197Perfroms a rank-1 update by outer product of vectors: <img class="formulaInl" alt="$V = V + w v v'$" src="form_23.png">. <dl compact><dt><b>Parameters:</b></dt><dd>
198  <table border="0" cellspacing="2" cellpadding="0">
199    <tr><td valign="top"></td><td valign="top"><em>v</em>&nbsp;</td><td>Vector forming the outer product to be added </td></tr>
200    <tr><td valign="top"></td><td valign="top"><em>w</em>&nbsp;</td><td>weight of updating; can be negative</td></tr>
201  </table>
202</dl>
203BLAS-2b operation.
204<p>Implements <a class="el" href="classsqmat.html#b223484796661f2dadb5607a86ce0581">sqmat</a>.</p>
205
206<p>References <a class="el" href="libDC_8h-source.html#l00115">M</a>.</p>
207
208</div>
209</div><p>
210<a class="anchor" name="5530d2756b5d991de755e6121c9a452e"></a><!-- doxytag: member="fsqmat::mult_sym" ref="5530d2756b5d991de755e6121c9a452e" args="(const mat &amp;C)" -->
211<div class="memitem">
212<div class="memproto">
213      <table class="memname">
214        <tr>
215          <td class="memname">void fsqmat::mult_sym           </td>
216          <td>(</td>
217          <td class="paramtype">const mat &amp;&nbsp;</td>
218          <td class="paramname"> <em>C</em>          </td>
219          <td>&nbsp;)&nbsp;</td>
220          <td><code> [virtual]</code></td>
221        </tr>
222      </table>
223</div>
224<div class="memdoc">
225
226<p>
227Inplace symmetric multiplication by a SQUARE matrix <img class="formulaInl" alt="$C$" src="form_24.png">, i.e. <img class="formulaInl" alt="$V = C*V*C'$" src="form_25.png">.
228<p>
229<dl compact><dt><b>Parameters:</b></dt><dd>
230  <table border="0" cellspacing="2" cellpadding="0">
231    <tr><td valign="top"></td><td valign="top"><em>C</em>&nbsp;</td><td>multiplying matrix, </td></tr>
232  </table>
233</dl>
234
235<p>Implements <a class="el" href="classsqmat.html#60fbbfa9e483b8187c135f787ee53afa">sqmat</a>.</p>
236
237<p>References <a class="el" href="libDC_8h-source.html#l00115">M</a>.</p>
238
239<p>Referenced by <a class="el" href="libKF_8h-source.html#l00366">EKF&lt; sq_T &gt;::bayes()</a>.</p>
240
241</div>
242</div><p>
243<a class="anchor" name="92052a8adc2054b63e42d1373d145c89"></a><!-- doxytag: member="fsqmat::mult_sym_t" ref="92052a8adc2054b63e42d1373d145c89" args="(const mat &amp;C)" -->
244<div class="memitem">
245<div class="memproto">
246      <table class="memname">
247        <tr>
248          <td class="memname">void fsqmat::mult_sym_t           </td>
249          <td>(</td>
250          <td class="paramtype">const mat &amp;&nbsp;</td>
251          <td class="paramname"> <em>C</em>          </td>
252          <td>&nbsp;)&nbsp;</td>
253          <td><code> [virtual]</code></td>
254        </tr>
255      </table>
256</div>
257<div class="memdoc">
258
259<p>
260Inplace symmetric multiplication by a SQUARE transpose of matrix <img class="formulaInl" alt="$C$" src="form_24.png">, i.e. <img class="formulaInl" alt="$V = C'*V*C$" src="form_26.png">.
261<p>
262<dl compact><dt><b>Parameters:</b></dt><dd>
263  <table border="0" cellspacing="2" cellpadding="0">
264    <tr><td valign="top"></td><td valign="top"><em>C</em>&nbsp;</td><td>multiplying matrix, </td></tr>
265  </table>
266</dl>
267
268<p>Implements <a class="el" href="classsqmat.html#6909e906da17725b1b80f3cae7cf3325">sqmat</a>.</p>
269
270<p>References <a class="el" href="libDC_8h-source.html#l00115">M</a>.</p>
271
272</div>
273</div><p>
274<a class="anchor" name="9fa853e1ca28f2a1a1c43377e798ecb1"></a><!-- doxytag: member="fsqmat::inv" ref="9fa853e1ca28f2a1a1c43377e798ecb1" args="(fsqmat &amp;Inv)" -->
275<div class="memitem">
276<div class="memproto">
277      <table class="memname">
278        <tr>
279          <td class="memname">void fsqmat::inv           </td>
280          <td>(</td>
281          <td class="paramtype"><a class="el" href="classfsqmat.html">fsqmat</a> &amp;&nbsp;</td>
282          <td class="paramname"> <em>Inv</em>          </td>
283          <td>&nbsp;)&nbsp;</td>
284          <td><code> [virtual]</code></td>
285        </tr>
286      </table>
287</div>
288<div class="memdoc">
289
290<p>
291Matrix inversion preserving the chosen form.
292<p>
293<dl compact><dt><b>Parameters:</b></dt><dd>
294  <table border="0" cellspacing="2" cellpadding="0">
295    <tr><td valign="top"></td><td valign="top"><em>Inv</em>&nbsp;</td><td>a space where the inverse is stored. </td></tr>
296  </table>
297</dl>
298
299<p>References <a class="el" href="libDC_8h-source.html#l00115">M</a>.</p>
300
301<p>Referenced by <a class="el" href="libKF_8h-source.html#l00366">EKF&lt; sq_T &gt;::bayes()</a>, and <a class="el" href="libEF_8cpp-source.html#l00021">egiw::evalpdflog_nn()</a>.</p>
302
303</div>
304</div><p>
305<a class="anchor" name="842a774077ee34ac3c36d180ab33e103"></a><!-- doxytag: member="fsqmat::sqrt_mult" ref="842a774077ee34ac3c36d180ab33e103" args="(const vec &amp;v) const " -->
306<div class="memitem">
307<div class="memproto">
308      <table class="memname">
309        <tr>
310          <td class="memname">vec fsqmat::sqrt_mult           </td>
311          <td>(</td>
312          <td class="paramtype">const vec &amp;&nbsp;</td>
313          <td class="paramname"> <em>v</em>          </td>
314          <td>&nbsp;)&nbsp;</td>
315          <td> const<code> [inline, virtual]</code></td>
316        </tr>
317      </table>
318</div>
319<div class="memdoc">
320
321<p>
322Multiplies square root of <img class="formulaInl" alt="$V$" src="form_27.png"> by vector <img class="formulaInl" alt="$x$" src="form_28.png">.
323<p>
324Used e.g. in generating normal samples.
325<p>Implements <a class="el" href="classsqmat.html#6b79438b5d7544a9c8e110a145355d8f">sqmat</a>.</p>
326
327<p>References <a class="el" href="libDC_8h-source.html#l00115">M</a>.</p>
328
329</div>
330</div><p>
331<hr>The documentation for this class was generated from the following files:<ul>
332<li>work/git/mixpp/bdm/math/<a class="el" href="libDC_8h-source.html">libDC.h</a><li>work/git/mixpp/bdm/math/libDC.cpp</ul>
333</div>
334<hr size="1"><address style="text-align: right;"><small>Generated on Wed Nov 12 19:18:52 2008 for mixpp by&nbsp;
335<a href="http://www.doxygen.org/index.html">
336<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
337</body>
338</html>
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