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67  <div class="navpath"><b>bdm</b>::<a class="el" href="classbdm_1_1mprod.html">mprod</a>
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71<h1>bdm::mprod Class Reference</h1><!-- doxytag: class="bdm::mprod" --><!-- doxytag: inherits="bdm::compositepdf,bdm::mpdf" --><code>#include &lt;<a class="el" href="emix_8h-source.html">emix.h</a>&gt;</code>
72<p>
73<div class="dynheader">
74Inheritance diagram for bdm::mprod:</div>
75<div class="dynsection">
76
77<p><center><img src="classbdm_1_1mprod.png" usemap="#bdm::mprod_map" border="0" alt=""></center>
78<map name="bdm::mprod_map">
79<area href="classbdm_1_1compositepdf.html" alt="bdm::compositepdf" shape="rect" coords="0,56,115,80">
80<area href="classbdm_1_1mpdf.html" alt="bdm::mpdf" shape="rect" coords="125,56,240,80">
81<area href="classbdm_1_1bdmroot.html" alt="bdm::bdmroot" shape="rect" coords="125,0,240,24">
82</map>
83</div>
84
85<p>
86<a href="classbdm_1_1mprod-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
87Chain rule decomposition of <a class="el" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.
88<p>
89Probability density in the form of Chain-rule decomposition: \[ f(x_1,x_2,x_3) = f(x_1|x_2,x_3)f(x_2,x_3)f(x_3) \] Note that <table border="0" cellpadding="0" cellspacing="0">
90<tr><td></td></tr>
91<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
92<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="680c3e2d95b116c7cfb227c7f2984525"></a><!-- doxytag: member="bdm::mprod::mprod" ref="680c3e2d95b116c7cfb227c7f2984525" args="(Array&lt; mpdf * &gt; mFacs)" -->
93&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#680c3e2d95b116c7cfb227c7f2984525">mprod</a> (Array&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> * &gt; mFacs)</td></tr>
94
95<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor from list of mFacs,. <br></td></tr>
96<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="800f21d94c919137608a2fd5c88719e2"></a><!-- doxytag: member="bdm::mprod::evallogcond" ref="800f21d94c919137608a2fd5c88719e2" args="(const vec &amp;val, const vec &amp;cond)" -->
97double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#800f21d94c919137608a2fd5c88719e2">evallogcond</a> (const vec &amp;val, const vec &amp;cond)</td></tr>
98
99<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Shortcut for conditioning and evaluation of the internal <a class="el" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>. In some cases, this operation can be implemented efficiently. <br></td></tr>
100<tr><td class="memItemLeft" nowrap align="right" valign="top">vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#ee715a8013acf9892f6cb489db595555">samplecond</a> (const vec &amp;cond)</td></tr>
101
102<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns a sample from the density conditioned on <code>cond</code>, <img class="formulaInl" alt="$x \sim epdf(rv|cond)$" src="form_46.png">.  <a href="#ee715a8013acf9892f6cb489db595555"></a><br></td></tr>
103<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d193dcc89fbc6f21979e0ced6d84568c"></a><!-- doxytag: member="bdm::mprod::samplecond" ref="d193dcc89fbc6f21979e0ced6d84568c" args="(const vec &amp;cond, int N)" -->
104mat&nbsp;</td><td class="memItemRight" valign="bottom"><b>samplecond</b> (const vec &amp;cond, int N)</td></tr>
105
106<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classbdm_1_1RV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1compositepdf.html#c73d39acc4378eee6a63155c3517d3c9">getrv</a> (bool checkoverlap=false)</td></tr>
107
108<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">find common rv, flag  <a href="#c73d39acc4378eee6a63155c3517d3c9"></a><br></td></tr>
109<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c71fc2c51f49d797e61f479f543c75ce"></a><!-- doxytag: member="bdm::mprod::setrvc" ref="c71fc2c51f49d797e61f479f543c75ce" args="(const RV &amp;rv, RV &amp;rvc)" -->
110void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1compositepdf.html#c71fc2c51f49d797e61f479f543c75ce">setrvc</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;rv, <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1mpdf.html#5a5f08950daa08b85b01ddf4e1c36288">rvc</a>)</td></tr>
111
112<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">common rvc of all mpdfs is written to rvc <br></td></tr>
113<tr><td colspan="2"><div class="groupHeader">Matematical operations</div></td></tr>
114<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#afe4185b26baeb03688202e254d3b005">samplecond_m</a> (const vec &amp;cond, int N)</td></tr>
115
116<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns.  <a href="#afe4185b26baeb03688202e254d3b005"></a><br></td></tr>
117<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="db94784a9aacf74c65c5a014f6743530"></a><!-- doxytag: member="bdm::mprod::condition" ref="db94784a9aacf74c65c5a014f6743530" args="(const vec &amp;cond)" -->
118virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#db94784a9aacf74c65c5a014f6743530">condition</a> (const vec &amp;cond)</td></tr>
119
120<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Update <code>ep</code> so that it represents this <a class="el" href="classbdm_1_1mpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a> conditioned on <code>rvc</code> = cond. <br></td></tr>
121<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0b0ed1ed663071bb7cf4a1349eb94fcb"></a><!-- doxytag: member="bdm::mprod::evallogcond_m" ref="0b0ed1ed663071bb7cf4a1349eb94fcb" args="(const mat &amp;Dt, const vec &amp;cond)" -->
122virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#0b0ed1ed663071bb7cf4a1349eb94fcb">evallogcond_m</a> (const mat &amp;Dt, const vec &amp;cond)</td></tr>
123
124<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Matrix version of evallogcond. <br></td></tr>
125<tr><td colspan="2"><div class="groupHeader">Access to attributes</div></td></tr>
126<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5571482d150fbcb72cc36f6694ce1a10"></a><!-- doxytag: member="bdm::mprod::_rv" ref="5571482d150fbcb72cc36f6694ce1a10" args="()" -->
127<a class="el" href="classbdm_1_1RV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><b>_rv</b> ()</td></tr>
128
129<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="26001264236846897bd11e4baad47245"></a><!-- doxytag: member="bdm::mprod::_rvc" ref="26001264236846897bd11e4baad47245" args="()" -->
130<a class="el" href="classbdm_1_1RV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><b>_rvc</b> ()</td></tr>
131
132<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1c2bae3e1e90874e72941863974ec0ed"></a><!-- doxytag: member="bdm::mprod::dimension" ref="1c2bae3e1e90874e72941863974ec0ed" args="()" -->
133int&nbsp;</td><td class="memItemRight" valign="bottom"><b>dimension</b> ()</td></tr>
134
135<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="35e135910aed187b7290742f50e61bc8"></a><!-- doxytag: member="bdm::mprod::dimensionc" ref="35e135910aed187b7290742f50e61bc8" args="()" -->
136int&nbsp;</td><td class="memItemRight" valign="bottom"><b>dimensionc</b> ()</td></tr>
137
138<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1892fe3933488942253679f068e9e7f6"></a><!-- doxytag: member="bdm::mprod::_epdf" ref="1892fe3933488942253679f068e9e7f6" args="()" -->
139<a class="el" href="classbdm_1_1epdf.html">epdf</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><b>_epdf</b> ()</td></tr>
140
141<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="05e843fd11c410a99dad2b88c55aca80"></a><!-- doxytag: member="bdm::mprod::_e" ref="05e843fd11c410a99dad2b88c55aca80" args="()" -->
142<a class="el" href="classbdm_1_1epdf.html">epdf</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><b>_e</b> ()</td></tr>
143
144<tr><td colspan="2"><div class="groupHeader">Connection to other objects</div></td></tr>
145<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7631a5570e4ade1420065e8df78f4401"></a><!-- doxytag: member="bdm::mprod::set_rvc" ref="7631a5570e4ade1420065e8df78f4401" args="(const RV &amp;rvc0)" -->
146void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_rvc</b> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;rvc0)</td></tr>
147
148<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="18ac26bc2f96ae01ef4eb06178abbd75"></a><!-- doxytag: member="bdm::mprod::set_rv" ref="18ac26bc2f96ae01ef4eb06178abbd75" args="(const RV &amp;rv0)" -->
149void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_rv</b> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;rv0)</td></tr>
150
151<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f8e3798150b42fd1f3e16ddbbe0e7045"></a><!-- doxytag: member="bdm::mprod::isnamed" ref="f8e3798150b42fd1f3e16ddbbe0e7045" args="()" -->
152bool&nbsp;</td><td class="memItemRight" valign="bottom"><b>isnamed</b> ()</td></tr>
153
154<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
155<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="eca722ed1b219727c6c0f8cbc6bf1e51"></a><!-- doxytag: member="bdm::mprod::epdfs" ref="eca722ed1b219727c6c0f8cbc6bf1e51" args="" -->
156Array&lt; <a class="el" href="classbdm_1_1epdf.html">epdf</a> * &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#eca722ed1b219727c6c0f8cbc6bf1e51">epdfs</a></td></tr>
157
158<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">pointers to epdfs - shortcut to <a class="el" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs()</a>.posterior() <br></td></tr>
159<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="acf679b3b1d48629c5a042d9ac0d973f"></a><!-- doxytag: member="bdm::mprod::dls" ref="acf679b3b1d48629c5a042d9ac0d973f" args="" -->
160Array&lt; <a class="el" href="classbdm_1_1datalink__m2m.html">datalink_m2m</a> * &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#acf679b3b1d48629c5a042d9ac0d973f">dls</a></td></tr>
161
162<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Data link for each mpdfs. <br></td></tr>
163<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e3fe66c257e5eca9de1031ef44907677"></a><!-- doxytag: member="bdm::mprod::dummy" ref="e3fe66c257e5eca9de1031ef44907677" args="" -->
164<a class="el" href="classbdm_1_1epdf.html">epdf</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#e3fe66c257e5eca9de1031ef44907677">dummy</a></td></tr>
165
166<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dummy ep <br></td></tr>
167<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7ca3cd8ed92a7154f5b9ff13b1e9d52a"></a><!-- doxytag: member="bdm::mprod::n" ref="7ca3cd8ed92a7154f5b9ff13b1e9d52a" args="" -->
168int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1compositepdf.html#7ca3cd8ed92a7154f5b9ff13b1e9d52a">n</a></td></tr>
169
170<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Number of mpdfs in the composite. <br></td></tr>
171<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="23faf2debc4dde10836393b8c665914a"></a><!-- doxytag: member="bdm::mprod::mpdfs" ref="23faf2debc4dde10836393b8c665914a" args="" -->
172Array&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> * &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a">mpdfs</a></td></tr>
173
174<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Elements of composition. <br></td></tr>
175<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7c1900976ff13dbc09c9729b3bbff9e6"></a><!-- doxytag: member="bdm::mprod::dimc" ref="7c1900976ff13dbc09c9729b3bbff9e6" args="" -->
176int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#7c1900976ff13dbc09c9729b3bbff9e6">dimc</a></td></tr>
177
178<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dimension of the condition <br></td></tr>
179<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5a5f08950daa08b85b01ddf4e1c36288"></a><!-- doxytag: member="bdm::mprod::rvc" ref="5a5f08950daa08b85b01ddf4e1c36288" args="" -->
180<a class="el" href="classbdm_1_1RV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#5a5f08950daa08b85b01ddf4e1c36288">rvc</a></td></tr>
181
182<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">random variable in condition <br></td></tr>
183<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5eea43c56d38e4441bfb30270db949c0"></a><!-- doxytag: member="bdm::mprod::ep" ref="5eea43c56d38e4441bfb30270db949c0" args="" -->
184<a class="el" href="classbdm_1_1epdf.html">epdf</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#5eea43c56d38e4441bfb30270db949c0">ep</a></td></tr>
185
186<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">pointer to internal <a class="el" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> <br></td></tr>
187</table>
188<hr><h2>Member Function Documentation</h2>
189<a class="anchor" name="ee715a8013acf9892f6cb489db595555"></a><!-- doxytag: member="bdm::mprod::samplecond" ref="ee715a8013acf9892f6cb489db595555" args="(const vec &amp;cond)" -->
190<div class="memitem">
191<div class="memproto">
192      <table class="memname">
193        <tr>
194          <td class="memname">vec bdm::mprod::samplecond           </td>
195          <td>(</td>
196          <td class="paramtype">const vec &amp;&nbsp;</td>
197          <td class="paramname"> <em>cond</em>          </td>
198          <td>&nbsp;)&nbsp;</td>
199          <td><code> [inline, virtual]</code></td>
200        </tr>
201      </table>
202</div>
203<div class="memdoc">
204
205<p>
206Returns a sample from the density conditioned on <code>cond</code>, <img class="formulaInl" alt="$x \sim epdf(rv|cond)$" src="form_46.png">.
207<p>
208<dl compact><dt><b>Parameters:</b></dt><dd>
209  <table border="0" cellspacing="2" cellpadding="0">
210    <tr><td valign="top"></td><td valign="top"><em>cond</em>&nbsp;</td><td>is numeric value of <code>rv</code> </td></tr>
211  </table>
212</dl>
213
214<p>Reimplemented from <a class="el" href="classbdm_1_1mpdf.html#f0c1db6fcbb3aae2dd6123884457a367">bdm::mpdf</a>.</p>
215
216<p>References <a class="el" href="libBM_8h-source.html#l00281">bdm::epdf::dimension()</a>, <a class="el" href="emix_8h-source.html#l00168">dls</a>, <a class="el" href="libBM_8h-source.html#l00297">bdm::mpdf::ep</a>, <a class="el" href="emix_8h-source.html#l00166">epdfs</a>, <a class="el" href="libBM_8h-source.html#l00528">bdm::compositepdf::mpdfs</a>, and <a class="el" href="libBM_8h-source.html#l00526">bdm::compositepdf::n</a>.</p>
217
218</div>
219</div><p>
220<a class="anchor" name="c73d39acc4378eee6a63155c3517d3c9"></a><!-- doxytag: member="bdm::mprod::getrv" ref="c73d39acc4378eee6a63155c3517d3c9" args="(bool checkoverlap=false)" -->
221<div class="memitem">
222<div class="memproto">
223      <table class="memname">
224        <tr>
225          <td class="memname"><a class="el" href="classbdm_1_1RV.html">RV</a> bdm::compositepdf::getrv           </td>
226          <td>(</td>
227          <td class="paramtype">bool&nbsp;</td>
228          <td class="paramname"> <em>checkoverlap</em> = <code>false</code>          </td>
229          <td>&nbsp;)&nbsp;</td>
230          <td><code> [inherited]</code></td>
231        </tr>
232      </table>
233</div>
234<div class="memdoc">
235
236<p>
237find common rv, flag
238<p>
239<dl compact><dt><b>Parameters:</b></dt><dd>
240  <table border="0" cellspacing="2" cellpadding="0">
241    <tr><td valign="top"></td><td valign="top"><em>checkoverlap</em>&nbsp;</td><td>modifies whether overlaps are acceptable </td></tr>
242  </table>
243</dl>
244
245<p>References <a class="el" href="libBM_8cpp-source.html#l00069">bdm::RV::add()</a>, <a class="el" href="libBM_8h-source.html#l00528">bdm::compositepdf::mpdfs</a>, and <a class="el" href="libBM_8h-source.html#l00526">bdm::compositepdf::n</a>.</p>
246
247<p>Referenced by <a class="el" href="emix_8h-source.html#l00174">mprod()</a>.</p>
248
249</div>
250</div><p>
251<a class="anchor" name="afe4185b26baeb03688202e254d3b005"></a><!-- doxytag: member="bdm::mprod::samplecond_m" ref="afe4185b26baeb03688202e254d3b005" args="(const vec &amp;cond, int N)" -->
252<div class="memitem">
253<div class="memproto">
254      <table class="memname">
255        <tr>
256          <td class="memname">virtual mat bdm::mpdf::samplecond_m           </td>
257          <td>(</td>
258          <td class="paramtype">const vec &amp;&nbsp;</td>
259          <td class="paramname"> <em>cond</em>, </td>
260        </tr>
261        <tr>
262          <td class="paramkey"></td>
263          <td></td>
264          <td class="paramtype">int&nbsp;</td>
265          <td class="paramname"> <em>N</em></td><td>&nbsp;</td>
266        </tr>
267        <tr>
268          <td></td>
269          <td>)</td>
270          <td></td><td></td><td><code> [inline, virtual, inherited]</code></td>
271        </tr>
272      </table>
273</div>
274<div class="memdoc">
275
276<p>
277Returns.
278<p>
279<dl compact><dt><b>Parameters:</b></dt><dd>
280  <table border="0" cellspacing="2" cellpadding="0">
281    <tr><td valign="top"></td><td valign="top"><em>N</em>&nbsp;</td><td>samples from the density conditioned on <code>cond</code>, <img class="formulaInl" alt="$x \sim epdf(rv|cond)$" src="form_46.png">. </td></tr>
282    <tr><td valign="top"></td><td valign="top"><em>cond</em>&nbsp;</td><td>is numeric value of <code>rv</code> </td></tr>
283    <tr><td valign="top"></td><td valign="top"><em>ll</em>&nbsp;</td><td>is a return value of log-likelihood of the sample. </td></tr>
284  </table>
285</dl>
286
287<p>References <a class="el" href="libBM_8h-source.html#l00324">bdm::mpdf::condition()</a>, <a class="el" href="libBM_8h-source.html#l00281">bdm::epdf::dimension()</a>, <a class="el" href="libBM_8h-source.html#l00297">bdm::mpdf::ep</a>, and <a class="el" href="libBM_8h-source.html#l00242">bdm::epdf::sample()</a>.</p>
288
289</div>
290</div><p>
291<hr>The documentation for this class was generated from the following file:<ul>
292<li><a class="el" href="emix_8h-source.html">emix.h</a></ul>
293</div>
294<hr size="1"><address style="text-align: right;"><small>Generated on Mon Feb 16 10:06:36 2009 for mixpp by&nbsp;
295<a href="http://www.doxygen.org/index.html">
296<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
297</body>
298</html>
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