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<div class="subTitle">org.apache.mahout.math.hadoop.decomposer</div>
<h2 title="Class DistributedLanczosSolver" class="title">Class DistributedLanczosSolver</h2>
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<li><a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">org.apache.mahout.math.decomposer.lanczos.LanczosSolver</a></li>
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<ul class="inheritance">
<li>org.apache.mahout.math.hadoop.decomposer.DistributedLanczosSolver</li>
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<dt>All Implemented Interfaces:</dt>
<dd>org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool</dd>
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<div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
<br>
<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public class <span class="typeNameLabel">DistributedLanczosSolver</span>
extends <a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosSolver</a>
implements org.apache.hadoop.util.Tool</pre>
<div class="block">See the SSVD code for a better option than using this:
http://mahout.apache.org/users/dim-reduction/ssvd.html</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../org/apache/mahout/math/hadoop/stochasticsvd/SSVDSolver.html" title="class in org.apache.mahout.math.hadoop.stochasticsvd"><code>SSVDSolver</code></a></dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.DistributedLanczosSolverJob.html" title="class in org.apache.mahout.math.hadoop.decomposer">DistributedLanczosSolver.DistributedLanczosSolverJob</a></span></code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Inner subclass of AbstractJob so we get access to AbstractJob's functionality w.r.t.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.mahout.math.decomposer.lanczos.<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosSolver</a></h3>
<code><a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.TimingSection.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosSolver.TimingSection</a></code></li>
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<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#RAW_EIGENVECTORS">RAW_EIGENVECTORS</a></span></code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
&nbsp;</td>
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<h3>Fields inherited from class&nbsp;org.apache.mahout.math.decomposer.lanczos.<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosSolver</a></h3>
<code><a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.html?is-external=true#SAFE_MAX" title="class or interface in org.apache.mahout.math.decomposer.lanczos">SAFE_MAX</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#DistributedLanczosSolver--">DistributedLanczosSolver</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
&nbsp;</td>
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<!-- ========== METHOD SUMMARY =========== -->
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#getConf--">getConf</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#getInitialVector-org.apache.mahout.math.VectorIterable-">getInitialVector</a></span>(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/VectorIterable.html?is-external=true" title="class or interface in org.apache.mahout.math">VectorIterable</a>&nbsp;corpus)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">For the distributed case, the best guess at a useful initialization state for Lanczos we'll chose to be
uniform over all input dimensions, L_2 normalized.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.DistributedLanczosSolverJob.html" title="class in org.apache.mahout.math.hadoop.decomposer">DistributedLanczosSolver.DistributedLanczosSolverJob</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#job--">job</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#main-java.lang.String:A-">main</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#run-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-int-int-boolean-int-">run</a></span>(org.apache.hadoop.fs.Path&nbsp;inputPath,
org.apache.hadoop.fs.Path&nbsp;outputPath,
org.apache.hadoop.fs.Path&nbsp;outputTmpPath,
org.apache.hadoop.fs.Path&nbsp;workingDirPath,
int&nbsp;numRows,
int&nbsp;numCols,
boolean&nbsp;isSymmetric,
int&nbsp;desiredRank)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Run the solver to produce the raw eigenvectors</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#run-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-int-int-boolean-int-double-double-boolean-">run</a></span>(org.apache.hadoop.fs.Path&nbsp;inputPath,
org.apache.hadoop.fs.Path&nbsp;outputPath,
org.apache.hadoop.fs.Path&nbsp;outputTmpPath,
org.apache.hadoop.fs.Path&nbsp;workingDirPath,
int&nbsp;numRows,
int&nbsp;numCols,
boolean&nbsp;isSymmetric,
int&nbsp;desiredRank,
double&nbsp;maxError,
double&nbsp;minEigenvalue,
boolean&nbsp;inMemory)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Run the solver to produce raw eigenvectors, then run the EigenVerificationJob to clean them</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#run-java.lang.String:A-">run</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;strings)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosState.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#runJob-org.apache.hadoop.conf.Configuration-org.apache.mahout.math.decomposer.lanczos.LanczosState-int-boolean-java.lang.String-">runJob</a></span>(org.apache.hadoop.conf.Configuration&nbsp;originalConfig,
<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosState.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosState</a>&nbsp;state,
int&nbsp;desiredRank,
boolean&nbsp;isSymmetric,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;outputEigenVectorPathString)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosState.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#runJob-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-int-int-boolean-int-java.lang.String-">runJob</a></span>(org.apache.hadoop.conf.Configuration&nbsp;originalConfig,
org.apache.hadoop.fs.Path&nbsp;inputPath,
org.apache.hadoop.fs.Path&nbsp;outputTmpPath,
int&nbsp;numRows,
int&nbsp;numCols,
boolean&nbsp;isSymmetric,
int&nbsp;desiredRank,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;outputEigenVectorPathString)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Factored-out LanczosSolver for the purpose of invoking it programmatically</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#serializeOutput-org.apache.mahout.math.decomposer.lanczos.LanczosState-org.apache.hadoop.fs.Path-">serializeOutput</a></span>(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosState.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosState</a>&nbsp;state,
org.apache.hadoop.fs.Path&nbsp;outputPath)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></span>(org.apache.hadoop.conf.Configuration&nbsp;configuration)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
&nbsp;</td>
</tr>
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<h3>Methods inherited from class&nbsp;org.apache.mahout.math.decomposer.lanczos.<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosSolver</a></h3>
<code><a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.html?is-external=true#calculateScaleFactor-org.apache.mahout.math.Vector-" title="class or interface in org.apache.mahout.math.decomposer.lanczos">calculateScaleFactor</a>, <a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.html?is-external=true#orthoganalizeAgainstAllButLast-org.apache.mahout.math.Vector-org.apache.mahout.math.decomposer.lanczos.LanczosState-" title="class or interface in org.apache.mahout.math.decomposer.lanczos">orthoganalizeAgainstAllButLast</a>, <a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.html?is-external=true#solve-org.apache.mahout.math.decomposer.lanczos.LanczosState-int-" title="class or interface in org.apache.mahout.math.decomposer.lanczos">solve</a>, <a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosSolver.html?is-external=true#solve-org.apache.mahout.math.decomposer.lanczos.LanczosState-int-boolean-" title="class or interface in org.apache.mahout.math.decomposer.lanczos">solve</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>RAW_EIGENVECTORS</h4>
<pre>public static final&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> RAW_EIGENVECTORS</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../constant-values.html#org.apache.mahout.math.hadoop.decomposer.DistributedLanczosSolver.RAW_EIGENVECTORS">Constant Field Values</a></dd>
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<h4>DistributedLanczosSolver</h4>
<pre>public&nbsp;DistributedLanczosSolver()</pre>
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<h4>getInitialVector</h4>
<pre>public static&nbsp;<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a>&nbsp;getInitialVector(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/VectorIterable.html?is-external=true" title="class or interface in org.apache.mahout.math">VectorIterable</a>&nbsp;corpus)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">For the distributed case, the best guess at a useful initialization state for Lanczos we'll chose to be
uniform over all input dimensions, L_2 normalized.</div>
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<a name="runJob-org.apache.hadoop.conf.Configuration-org.apache.mahout.math.decomposer.lanczos.LanczosState-int-boolean-java.lang.String-">
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<h4>runJob</h4>
<pre>public&nbsp;<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosState.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosState</a>&nbsp;runJob(org.apache.hadoop.conf.Configuration&nbsp;originalConfig,
<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosState.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosState</a>&nbsp;state,
int&nbsp;desiredRank,
boolean&nbsp;isSymmetric,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;outputEigenVectorPathString)
throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>runJob</h4>
<pre>public&nbsp;<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosState.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosState</a>&nbsp;runJob(org.apache.hadoop.conf.Configuration&nbsp;originalConfig,
org.apache.hadoop.fs.Path&nbsp;inputPath,
org.apache.hadoop.fs.Path&nbsp;outputTmpPath,
int&nbsp;numRows,
int&nbsp;numCols,
boolean&nbsp;isSymmetric,
int&nbsp;desiredRank,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;outputEigenVectorPathString)
throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Factored-out LanczosSolver for the purpose of invoking it programmatically</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>run</h4>
<pre>public&nbsp;int&nbsp;run(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;strings)
throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>run</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.util.Tool</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<h4>run</h4>
<pre>public&nbsp;int&nbsp;run(org.apache.hadoop.fs.Path&nbsp;inputPath,
org.apache.hadoop.fs.Path&nbsp;outputPath,
org.apache.hadoop.fs.Path&nbsp;outputTmpPath,
org.apache.hadoop.fs.Path&nbsp;workingDirPath,
int&nbsp;numRows,
int&nbsp;numCols,
boolean&nbsp;isSymmetric,
int&nbsp;desiredRank,
double&nbsp;maxError,
double&nbsp;minEigenvalue,
boolean&nbsp;inMemory)
throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Run the solver to produce raw eigenvectors, then run the EigenVerificationJob to clean them</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inputPath</code> - the Path to the input corpus</dd>
<dd><code>outputPath</code> - the Path to the output</dd>
<dd><code>outputTmpPath</code> - a Path to a temporary working directory</dd>
<dd><code>numRows</code> - the int number of rows</dd>
<dd><code>numCols</code> - the int number of columns</dd>
<dd><code>isSymmetric</code> - true if the input matrix is symmetric</dd>
<dd><code>desiredRank</code> - the int desired rank of eigenvectors to produce</dd>
<dd><code>maxError</code> - the maximum allowable error</dd>
<dd><code>minEigenvalue</code> - the minimum usable eigenvalue</dd>
<dd><code>inMemory</code> - true if the verification can be done in memory</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an int indicating success (0) or otherwise</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>public&nbsp;int&nbsp;run(org.apache.hadoop.fs.Path&nbsp;inputPath,
org.apache.hadoop.fs.Path&nbsp;outputPath,
org.apache.hadoop.fs.Path&nbsp;outputTmpPath,
org.apache.hadoop.fs.Path&nbsp;workingDirPath,
int&nbsp;numRows,
int&nbsp;numCols,
boolean&nbsp;isSymmetric,
int&nbsp;desiredRank)
throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Run the solver to produce the raw eigenvectors</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inputPath</code> - the Path to the input corpus</dd>
<dd><code>outputPath</code> - the Path to the output</dd>
<dd><code>outputTmpPath</code> - a Path to a temporary working directory</dd>
<dd><code>numRows</code> - the int number of rows</dd>
<dd><code>numCols</code> - the int number of columns</dd>
<dd><code>isSymmetric</code> - true if the input matrix is symmetric</dd>
<dd><code>desiredRank</code> - the int desired rank of eigenvectors to produce</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an int indicating success (0) or otherwise</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>public&nbsp;void&nbsp;serializeOutput(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/decomposer/lanczos/LanczosState.html?is-external=true" title="class or interface in org.apache.mahout.math.decomposer.lanczos">LanczosState</a>&nbsp;state,
org.apache.hadoop.fs.Path&nbsp;outputPath)
throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>state</code> - The final LanczosState to be serialized</dd>
<dd><code>outputPath</code> - The path (relative to the current Configuration's FileSystem) to save the output to.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>public&nbsp;void&nbsp;setConf(org.apache.hadoop.conf.Configuration&nbsp;configuration)</pre>
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<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>setConf</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.conf.Configurable</code></dd>
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<pre>public&nbsp;org.apache.hadoop.conf.Configuration&nbsp;getConf()</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<pre>public&nbsp;<a href="../../../../../../org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.DistributedLanczosSolverJob.html" title="class in org.apache.mahout.math.hadoop.decomposer">DistributedLanczosSolver.DistributedLanczosSolverJob</a>&nbsp;job()</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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<pre>public static&nbsp;void&nbsp;main(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)
throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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