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69<h1>chmat Class Reference</h1><!-- doxytag: class="chmat" --><!-- doxytag: inherits="sqmat" -->Symmetric matrix stored in square root decomposition using upper cholesky. 
70<a href="#_details">More...</a>
71<p>
72<code>#include &lt;<a class="el" href="chmat_8h-source.html">chmat.h</a>&gt;</code>
73<p>
74
75<p>
76<a href="classchmat-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
77<tr><td></td></tr>
78<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
79<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#bbc2d98d7455b1f38828907d442836bf">opupdt</a> (const vec &amp;v, double w)</td></tr>
80
81<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="045addd685f8d978efda232d7dcb070e"></a><!-- doxytag: member="chmat::to_mat" ref="045addd685f8d978efda232d7dcb070e" args="() const " -->
82mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#045addd685f8d978efda232d7dcb070e">to_mat</a> () const </td></tr>
83
84<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Conversion to full matrix. <br></td></tr>
85<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#66f509f92b0ccf020e2a2a32566e0777">mult_sym</a> (const mat &amp;C)</td></tr>
86
87<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Inplace symmetric multiplication by a SQUARE matrix <img class="formulaInl" alt="$C$" src="form_52.png">, i.e. <img class="formulaInl" alt="$V = C*V*C'$" src="form_53.png">.  <a href="#66f509f92b0ccf020e2a2a32566e0777"></a><br></td></tr>
88<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d558ab63475a2f2ebc0c0e149796dcc6"></a><!-- doxytag: member="chmat::mult_sym" ref="d558ab63475a2f2ebc0c0e149796dcc6" args="(const mat &amp;C, chmat &amp;U) const " -->
89void&nbsp;</td><td class="memItemRight" valign="bottom"><b>mult_sym</b> (const mat &amp;C, <a class="el" href="classchmat.html">chmat</a> &amp;U) const </td></tr>
90
91<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#07f50d1332b901eee962e8b1913102f7">mult_sym_t</a> (const mat &amp;C)</td></tr>
92
93<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_52.png">, i.e. <img class="formulaInl" alt="$V = C'*V*C$" src="form_54.png">.  <a href="#07f50d1332b901eee962e8b1913102f7"></a><br></td></tr>
94<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="31c3b985214a150b2a6b4be3b0fd40e3"></a><!-- doxytag: member="chmat::mult_sym_t" ref="31c3b985214a150b2a6b4be3b0fd40e3" args="(const mat &amp;C, chmat &amp;U) const " -->
95void&nbsp;</td><td class="memItemRight" valign="bottom"><b>mult_sym_t</b> (const mat &amp;C, <a class="el" href="classchmat.html">chmat</a> &amp;U) const </td></tr>
96
97<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b504ca818203b13e667cb3c503980382"></a><!-- doxytag: member="chmat::logdet" ref="b504ca818203b13e667cb3c503980382" args="() const " -->
98double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#b504ca818203b13e667cb3c503980382">logdet</a> () const </td></tr>
99
100<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Logarithm of a determinant. <br></td></tr>
101<tr><td class="memItemLeft" nowrap align="right" valign="top">vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#b22aa239dbaca33e3fb93b4f674d7051">sqrt_mult</a> (const vec &amp;v) const </td></tr>
102
103<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Multiplies square root of <img class="formulaInl" alt="$V$" src="form_55.png"> by vector <img class="formulaInl" alt="$x$" src="form_1.png">.  <a href="#b22aa239dbaca33e3fb93b4f674d7051"></a><br></td></tr>
104<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6807737c7ffdb7041256b51db7592248"></a><!-- doxytag: member="chmat::qform" ref="6807737c7ffdb7041256b51db7592248" args="(const vec &amp;v) const " -->
105double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#6807737c7ffdb7041256b51db7592248">qform</a> (const vec &amp;v) const </td></tr>
106
107<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Evaluates quadratic form <img class="formulaInl" alt="$x= v'*V*v$" src="form_56.png">;. <br></td></tr>
108<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b49427cff186c62f5df3724e5d2c34b4"></a><!-- doxytag: member="chmat::invqform" ref="b49427cff186c62f5df3724e5d2c34b4" args="(const vec &amp;v) const " -->
109double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#b49427cff186c62f5df3724e5d2c34b4">invqform</a> (const vec &amp;v) const </td></tr>
110
111<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Evaluates quadratic form <img class="formulaInl" alt="$x= v'*inv(V)*v$" src="form_57.png">;. <br></td></tr>
112<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d0a995d312ecc11d3b43693f5e224ba9"></a><!-- doxytag: member="chmat::clear" ref="d0a995d312ecc11d3b43693f5e224ba9" args="()" -->
113void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#d0a995d312ecc11d3b43693f5e224ba9">clear</a> ()</td></tr>
114
115<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Clearing matrix so that it corresponds to zeros. <br></td></tr>
116<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f3921e3e5e31337cdbda40a3a5467257"></a><!-- doxytag: member="chmat::add" ref="f3921e3e5e31337cdbda40a3a5467257" args="(const chmat &amp;A2, double w=1.0)" -->
117void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#f3921e3e5e31337cdbda40a3a5467257">add</a> (const <a class="el" href="classchmat.html">chmat</a> &amp;A2, double w=1.0)</td></tr>
118
119<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">add another <a class="el" href="classchmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> <code>A2</code> with weight <code>w</code>. <br></td></tr>
120<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5ce4e21a9012a4e98c1f0ed1ca5669bd"></a><!-- doxytag: member="chmat::inv" ref="5ce4e21a9012a4e98c1f0ed1ca5669bd" args="(chmat &amp;Inv) const " -->
121void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#5ce4e21a9012a4e98c1f0ed1ca5669bd">inv</a> (<a class="el" href="classchmat.html">chmat</a> &amp;Inv) const </td></tr>
122
123<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Inversion in the same form, i.e. cholesky. <br></td></tr>
124<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ba62fbf7cb8e065a4f3d24457824e89b"></a><!-- doxytag: member="chmat::~chmat" ref="ba62fbf7cb8e065a4f3d24457824e89b" args="()" -->
125virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#ba62fbf7cb8e065a4f3d24457824e89b">~chmat</a> ()</td></tr>
126
127<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Destructor for future use;. <br></td></tr>
128<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fdd73b0c596161637fd25bdf2c670c39"></a><!-- doxytag: member="chmat::chmat" ref="fdd73b0c596161637fd25bdf2c670c39" args="(const int dim0)" -->
129&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#fdd73b0c596161637fd25bdf2c670c39">chmat</a> (const int dim0)</td></tr>
130
131<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor. <br></td></tr>
132<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d4f0a94e81279295e60e72812130f9d4"></a><!-- doxytag: member="chmat::chmat" ref="d4f0a94e81279295e60e72812130f9d4" args="(const vec &amp;v)" -->
133&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#d4f0a94e81279295e60e72812130f9d4">chmat</a> (const vec &amp;v)</td></tr>
134
135<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor. <br></td></tr>
136<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d92f3bd9a727b8c88a8c7385feb3449a"></a><!-- doxytag: member="chmat::chmat" ref="d92f3bd9a727b8c88a8c7385feb3449a" args="(const chmat &amp;Ch0)" -->
137&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#d92f3bd9a727b8c88a8c7385feb3449a">chmat</a> (const <a class="el" href="classchmat.html">chmat</a> &amp;Ch0)</td></tr>
138
139<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Copy constructor. <br></td></tr>
140<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8334a00f30f0a05f893c2aeec395ef10"></a><!-- doxytag: member="chmat::chmat" ref="8334a00f30f0a05f893c2aeec395ef10" args="(const mat &amp;M)" -->
141&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#8334a00f30f0a05f893c2aeec395ef10">chmat</a> (const mat &amp;M)</td></tr>
142
143<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor (m3k:cholform). <br></td></tr>
144<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="24de7f42e0a86bb270588cd0dd9d60b4"></a><!-- doxytag: member="chmat::chmat" ref="24de7f42e0a86bb270588cd0dd9d60b4" args="(const chmat &amp;M, const ivec &amp;perm)" -->
145&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#24de7f42e0a86bb270588cd0dd9d60b4">chmat</a> (const <a class="el" href="classchmat.html">chmat</a> &amp;M, const ivec &amp;perm)</td></tr>
146
147<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor. <br></td></tr>
148<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9c50d31c999d85d8e9d8cf2b69b6ac8c"></a><!-- doxytag: member="chmat::_Ch" ref="9c50d31c999d85d8e9d8cf2b69b6ac8c" args="()" -->
149mat &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#9c50d31c999d85d8e9d8cf2b69b6ac8c">_Ch</a> ()</td></tr>
150
151<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Access function. <br></td></tr>
152<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0e2982a88febb5e604f96505ea40bd95"></a><!-- doxytag: member="chmat::_Ch" ref="0e2982a88febb5e604f96505ea40bd95" args="() const " -->
153const mat &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#0e2982a88febb5e604f96505ea40bd95">_Ch</a> () const </td></tr>
154
155<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Access function. <br></td></tr>
156<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a4fc7f9b0539b97c414442a22f3db6e8"></a><!-- doxytag: member="chmat::setD" ref="a4fc7f9b0539b97c414442a22f3db6e8" args="(const vec &amp;nD)" -->
157void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#a4fc7f9b0539b97c414442a22f3db6e8">setD</a> (const vec &amp;nD)</td></tr>
158
159<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Access functions. <br></td></tr>
160<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4c8b321967b14ed2616a2abb9498a979"></a><!-- doxytag: member="chmat::setCh" ref="4c8b321967b14ed2616a2abb9498a979" args="(const vec &amp;chQ)" -->
161void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#4c8b321967b14ed2616a2abb9498a979">setCh</a> (const vec &amp;chQ)</td></tr>
162
163<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Access functions. <br></td></tr>
164<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4b9271097d8317d9514c5d0d62cccb39"></a><!-- doxytag: member="chmat::setD" ref="4b9271097d8317d9514c5d0d62cccb39" args="(const vec &amp;nD, int i)" -->
165void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#4b9271097d8317d9514c5d0d62cccb39">setD</a> (const vec &amp;nD, int i)</td></tr>
166
167<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Access functions. <br></td></tr>
168<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classchmat.html">chmat</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#6a8b39fe3a28d2c8e3fc0d74141229fb">operator+=</a> (const <a class="el" href="classchmat.html">chmat</a> &amp;A2)</td></tr>
169
170<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Operators.  <a href="#6a8b39fe3a28d2c8e3fc0d74141229fb"></a><br></td></tr>
171<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a8c3628a8c15eb0009e57c66fcac1a76"></a><!-- doxytag: member="chmat::operator&#45;=" ref="a8c3628a8c15eb0009e57c66fcac1a76" args="(const chmat &amp;A2)" -->
172<a class="el" href="classchmat.html">chmat</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#a8c3628a8c15eb0009e57c66fcac1a76">operator-=</a> (const <a class="el" href="classchmat.html">chmat</a> &amp;A2)</td></tr>
173
174<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">mapping of negative add operation to operators <br></td></tr>
175<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="64f1eec40946d3abad7762899c9f933a"></a><!-- doxytag: member="chmat::operator*" ref="64f1eec40946d3abad7762899c9f933a" args="(const chmat &amp;A2)" -->
176<a class="el" href="classchmat.html">chmat</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><b>operator*</b> (const <a class="el" href="classchmat.html">chmat</a> &amp;A2)</td></tr>
177
178<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e0404bcb998f0b82d25f5fc386cc4fa5"></a><!-- doxytag: member="chmat::operator*" ref="e0404bcb998f0b82d25f5fc386cc4fa5" args="(const double &amp;d)" -->
179<a class="el" href="classchmat.html">chmat</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><b>operator*</b> (const double &amp;d)</td></tr>
180
181<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="cdb54c921d7b93ac1a04d58cae7a9618"></a><!-- doxytag: member="chmat::operator=" ref="cdb54c921d7b93ac1a04d58cae7a9618" args="(const chmat &amp;A2)" -->
182<a class="el" href="classchmat.html">chmat</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><b>operator=</b> (const <a class="el" href="classchmat.html">chmat</a> &amp;A2)</td></tr>
183
184<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ecc2e2540f95a04f4449842588170f5b"></a><!-- doxytag: member="chmat::cols" ref="ecc2e2540f95a04f4449842588170f5b" args="() const " -->
185int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#ecc2e2540f95a04f4449842588170f5b">cols</a> () const </td></tr>
186
187<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>
188<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="071e80ced9cc3b8cbb360fa7462eb646"></a><!-- doxytag: member="chmat::rows" ref="071e80ced9cc3b8cbb360fa7462eb646" args="() const " -->
189int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#071e80ced9cc3b8cbb360fa7462eb646">rows</a> () const </td></tr>
190
191<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>
192<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
193<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="95158bb150f5e7f939168abcd577fd9c"></a><!-- doxytag: member="chmat::Ch" ref="95158bb150f5e7f939168abcd577fd9c" args="" -->
194mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classchmat.html#95158bb150f5e7f939168abcd577fd9c">Ch</a></td></tr>
195
196<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Upper triangle of the cholesky matrix. <br></td></tr>
197<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0abed904bdc0882373ba9adba919689d"></a><!-- doxytag: member="chmat::dim" ref="0abed904bdc0882373ba9adba919689d" args="" -->
198int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsqmat.html#0abed904bdc0882373ba9adba919689d">dim</a></td></tr>
199
200<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dimension of the square matrix <br></td></tr>
201</table>
202<hr><a name="_details"></a><h2>Detailed Description</h2>
203Symmetric matrix stored in square root decomposition using upper cholesky.
204<p>
205This matrix represent <img class="formulaInl" alt="$A=Ch' Ch$" src="form_38.png"> where only the upper triangle <img class="formulaInl" alt="$Ch$" src="form_39.png"> is stored; <hr><h2>Member Function Documentation</h2>
206<a class="anchor" name="66f509f92b0ccf020e2a2a32566e0777"></a><!-- doxytag: member="chmat::mult_sym" ref="66f509f92b0ccf020e2a2a32566e0777" args="(const mat &amp;C)" -->
207<div class="memitem">
208<div class="memproto">
209      <table class="memname">
210        <tr>
211          <td class="memname">void chmat::mult_sym           </td>
212          <td>(</td>
213          <td class="paramtype">const mat &amp;&nbsp;</td>
214          <td class="paramname"> <em>C</em>          </td>
215          <td>&nbsp;)&nbsp;</td>
216          <td><code> [virtual]</code></td>
217        </tr>
218      </table>
219</div>
220<div class="memdoc">
221
222<p>
223Inplace symmetric multiplication by a SQUARE matrix <img class="formulaInl" alt="$C$" src="form_52.png">, i.e. <img class="formulaInl" alt="$V = C*V*C'$" src="form_53.png">.
224<p>
225<dl compact><dt><b>Parameters:</b></dt><dd>
226  <table border="0" cellspacing="2" cellpadding="0">
227    <tr><td valign="top"></td><td valign="top"><em>C</em>&nbsp;</td><td>multiplying matrix, </td></tr>
228  </table>
229</dl>
230
231<p>Implements <a class="el" href="classsqmat.html#60fbbfa9e483b8187c135f787ee53afa">sqmat</a>.</p>
232
233</div>
234</div><p>
235<a class="anchor" name="07f50d1332b901eee962e8b1913102f7"></a><!-- doxytag: member="chmat::mult_sym_t" ref="07f50d1332b901eee962e8b1913102f7" args="(const mat &amp;C)" -->
236<div class="memitem">
237<div class="memproto">
238      <table class="memname">
239        <tr>
240          <td class="memname">void chmat::mult_sym_t           </td>
241          <td>(</td>
242          <td class="paramtype">const mat &amp;&nbsp;</td>
243          <td class="paramname"> <em>C</em>          </td>
244          <td>&nbsp;)&nbsp;</td>
245          <td><code> [virtual]</code></td>
246        </tr>
247      </table>
248</div>
249<div class="memdoc">
250
251<p>
252Inplace symmetric multiplication by a SQUARE transpose of matrix <img class="formulaInl" alt="$C$" src="form_52.png">, i.e. <img class="formulaInl" alt="$V = C'*V*C$" src="form_54.png">.
253<p>
254<dl compact><dt><b>Parameters:</b></dt><dd>
255  <table border="0" cellspacing="2" cellpadding="0">
256    <tr><td valign="top"></td><td valign="top"><em>C</em>&nbsp;</td><td>multiplying matrix, </td></tr>
257  </table>
258</dl>
259
260<p>Implements <a class="el" href="classsqmat.html#6909e906da17725b1b80f3cae7cf3325">sqmat</a>.</p>
261
262</div>
263</div><p>
264<a class="anchor" name="6a8b39fe3a28d2c8e3fc0d74141229fb"></a><!-- doxytag: member="chmat::operator+=" ref="6a8b39fe3a28d2c8e3fc0d74141229fb" args="(const chmat &amp;A2)" -->
265<div class="memitem">
266<div class="memproto">
267      <table class="memname">
268        <tr>
269          <td class="memname"><a class="el" href="classchmat.html">chmat</a> &amp; chmat::operator+=           </td>
270          <td>(</td>
271          <td class="paramtype">const <a class="el" href="classchmat.html">chmat</a> &amp;&nbsp;</td>
272          <td class="paramname"> <em>A2</em>          </td>
273          <td>&nbsp;)&nbsp;</td>
274          <td><code> [inline]</code></td>
275        </tr>
276      </table>
277</div>
278<div class="memdoc">
279
280<p>
281Operators.
282<p>
283Operations: mapping of add operation to operators
284</div>
285</div><p>
286<a class="anchor" name="bbc2d98d7455b1f38828907d442836bf"></a><!-- doxytag: member="chmat::opupdt" ref="bbc2d98d7455b1f38828907d442836bf" args="(const vec &amp;v, double w)" -->
287<div class="memitem">
288<div class="memproto">
289      <table class="memname">
290        <tr>
291          <td class="memname">void chmat::opupdt           </td>
292          <td>(</td>
293          <td class="paramtype">const vec &amp;&nbsp;</td>
294          <td class="paramname"> <em>v</em>, </td>
295        </tr>
296        <tr>
297          <td class="paramkey"></td>
298          <td></td>
299          <td class="paramtype">double&nbsp;</td>
300          <td class="paramname"> <em>w</em></td><td>&nbsp;</td>
301        </tr>
302        <tr>
303          <td></td>
304          <td>)</td>
305          <td></td><td></td><td><code> [virtual]</code></td>
306        </tr>
307      </table>
308</div>
309<div class="memdoc">
310
311<p>
312Perfroms a rank-1 update by outer product of vectors: <img class="formulaInl" alt="$V = V + w v v'$" src="form_51.png">. <dl compact><dt><b>Parameters:</b></dt><dd>
313  <table border="0" cellspacing="2" cellpadding="0">
314    <tr><td valign="top"></td><td valign="top"><em>v</em>&nbsp;</td><td>Vector forming the outer product to be added </td></tr>
315    <tr><td valign="top"></td><td valign="top"><em>w</em>&nbsp;</td><td>weight of updating; can be negative</td></tr>
316  </table>
317</dl>
318BLAS-2b operation.
319<p>Implements <a class="el" href="classsqmat.html#b223484796661f2dadb5607a86ce0581">sqmat</a>.</p>
320
321<p>References <a class="el" href="chmat_8h-source.html#l00027">Ch</a>.</p>
322
323</div>
324</div><p>
325<a class="anchor" name="b22aa239dbaca33e3fb93b4f674d7051"></a><!-- doxytag: member="chmat::sqrt_mult" ref="b22aa239dbaca33e3fb93b4f674d7051" args="(const vec &amp;v) const " -->
326<div class="memitem">
327<div class="memproto">
328      <table class="memname">
329        <tr>
330          <td class="memname">vec chmat::sqrt_mult           </td>
331          <td>(</td>
332          <td class="paramtype">const vec &amp;&nbsp;</td>
333          <td class="paramname"> <em>v</em>          </td>
334          <td>&nbsp;)&nbsp;</td>
335          <td> const<code> [virtual]</code></td>
336        </tr>
337      </table>
338</div>
339<div class="memdoc">
340
341<p>
342Multiplies square root of <img class="formulaInl" alt="$V$" src="form_55.png"> by vector <img class="formulaInl" alt="$x$" src="form_1.png">.
343<p>
344Used e.g. in generating normal samples.
345<p>Implements <a class="el" href="classsqmat.html#6b79438b5d7544a9c8e110a145355d8f">sqmat</a>.</p>
346
347</div>
348</div><p>
349<hr>The documentation for this class was generated from the following files:<ul>
350<li><a class="el" href="chmat_8h-source.html">chmat.h</a><li>chmat.cpp</ul>
351</div>
352<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jul 1 13:05:56 2009 for mixpp by&nbsp;
353<a href="http://www.doxygen.org/index.html">
354<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
355</body>
356</html>
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