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<div class="title">als.hpp File Reference</div> </div>
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<div class="textblock"><code>#include <assert.h></code><br/>
<code>#include <cmath></code><br/>
<code>#include <errno.h></code><br/>
<code>#include <string></code><br/>
<code>#include <stdint.h></code><br/>
<code>#include "matrixmarket/mmio.h"</code><br/>
<code>#include "matrixmarket/mmio.c"</code><br/>
<code>#include "<a class="el" href="chifilenames_8hpp_source.html">api/chifilenames.hpp</a>"</code><br/>
<code>#include "<a class="el" href="vertex__aggregator_8hpp_source.html">api/vertex_aggregator.hpp</a>"</code><br/>
<code>#include "<a class="el" href="sharder_8hpp_source.html">preprocessing/sharder.hpp</a>"</code><br/>
<code>#include "Eigen/Dense"</code><br/>
<code>#include "Eigen/Sparse"</code><br/>
<code>#include "Eigen/Cholesky"</code><br/>
<code>#include "Eigen/Eigenvalues"</code><br/>
<code>#include "Eigen/SVD"</code><br/>
</div>
<p><a href="als_8hpp_source.html">Go to the source code of this file.</a></p>
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structlatentvec__t.html">latentvec_t</a></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structals__factor__and__weight.html">als_factor_and_weight</a></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_m_m_outputter.html">MMOutputter</a></td></tr>
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typedef MatrixXd </td><td class="memItemRight" valign="bottom"><b>mat</b></td></tr>
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typedef VectorXd </td><td class="memItemRight" valign="bottom"><b>vec</b></td></tr>
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typedef VectorXi </td><td class="memItemRight" valign="bottom"><b>ivec</b></td></tr>
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typedef MatrixXi </td><td class="memItemRight" valign="bottom"><b>imat</b></td></tr>
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typedef SparseVector< double > </td><td class="memItemRight" valign="bottom"><b>sparse_vec</b></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:aac24c18c19a226199f0b86cabb8ad63d"><td class="memTemplParams" colspan="2">template<typename als_edge_type > </td></tr>
<tr class="memitem:aac24c18c19a226199f0b86cabb8ad63d"><td class="memTemplItemLeft" align="right" valign="top">int </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="als_8hpp.html#aac24c18c19a226199f0b86cabb8ad63d">convert_matrixmarket_for_ALS</a> (std::string base_filename)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>output_als_result</b> (std::string filename, vid_t numvertices, vid_t max_left_vertex)</td></tr>
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Variables</h2></td></tr>
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double </td><td class="memItemRight" valign="bottom"><b>LAMBDA</b> = 0.065</td></tr>
<tr class="memitem:a4a31cf557efa8c68c5c0a73a5405ba3f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4a31cf557efa8c68c5c0a73a5405ba3f"></a>
double </td><td class="memItemRight" valign="bottom"><a class="el" href="als_8hpp.html#a4a31cf557efa8c68c5c0a73a5405ba3f">rmse</a> = 0.0</td></tr>
<tr class="memdesc:a4a31cf557efa8c68c5c0a73a5405ba3f"><td class="mdescLeft"> </td><td class="mdescRight">RMSE computation. <br/></td></tr>
<tr class="memitem:aa46377eb42a964d5fa8b3ac64440a0d0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa46377eb42a964d5fa8b3ac64440a0d0"></a>
<a class="el" href="classgraphchi_1_1mutex.html">mutex</a> </td><td class="memItemRight" valign="bottom"><b>rmselock</b></td></tr>
<tr class="memitem:a79e0c7372da6188f813335ad0ea6c918"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a79e0c7372da6188f813335ad0ea6c918"></a>
vid_t </td><td class="memItemRight" valign="bottom"><b>max_left_vertex</b> = 0</td></tr>
<tr class="memitem:a302d7862b2622f4b8f13097412570480"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a302d7862b2622f4b8f13097412570480"></a>
vid_t </td><td class="memItemRight" valign="bottom"><b>max_right_vertex</b> = 0</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
<h1><a class="anchor" id="LICENSE"></a>
LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<h1><a class="anchor" id="DESCRIPTION"></a>
DESCRIPTION</h1>
<p>Common code for ALS implementations. </p>
</div><hr/><h2>Function Documentation</h2>
<a class="anchor" id="aac24c18c19a226199f0b86cabb8ad63d"></a>
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<div class="memtemplate">
template<typename als_edge_type > </div>
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<td class="memname">int convert_matrixmarket_for_ALS </td>
<td>(</td>
<td class="paramtype">std::string </td>
<td class="paramname"><em>base_filename</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Create a bipartite graph from a matrix. Each row corresponds to vertex with the same id as the row number (0-based), but vertices correponsing to columns have id + num-rows. </p>
<p>Create sharder object</p>
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