org.apache.mahout.clustering.spectral

Class MatrixDiagonalizeJob

java.lang.Object

org.apache.mahout.clustering.spectral.MatrixDiagonalizeJob

public final class MatrixDiagonalizeJob
extends Object

Given a matrix, this job returns a vector whose i_th element is the sum of all the elements in the i_th row of the original matrix.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MatrixDiagonalizeJob.MatrixDiagonalizeMapper
static class	MatrixDiagonalizeJob.MatrixDiagonalizeReducer

Method Summary

Modifier and Type	Method and Description
static Vector	runJob(org.apache.hadoop.fs.Path affInput, int dimensions)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

runJob

public static Vector runJob(org.apache.hadoop.fs.Path affInput,
                            int dimensions)
                     throws IOException,
                            ClassNotFoundException,
                            InterruptedException

Throws:

IOException

ClassNotFoundException

InterruptedException