org.jpmml.evaluator

Class MatrixUtil

java.lang.Object

org.jpmml.evaluator.MatrixUtil

public class MatrixUtil
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static org.apache.commons.math3.linear.RealMatrix	asRealMatrix(org.dmg.pmml.Matrix matrix)
static int	getColumns(org.dmg.pmml.Matrix matrix)
static java.lang.Number	getElementAt(org.dmg.pmml.Matrix matrix, int row, int column)
static int	getRows(org.dmg.pmml.Matrix matrix)

Methods inherited from class java.lang.Object

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

Method Detail

asRealMatrix

public static org.apache.commons.math3.linear.RealMatrix asRealMatrix(org.dmg.pmml.Matrix matrix)

getElementAt

public static java.lang.Number getElementAt(org.dmg.pmml.Matrix matrix,
                                            int row,
                                            int column)

Parameters:

row - The row index. The index of the first row is 1.

column - The column index. The index of the first column is 1.

Returns:

The element at the specified location, or null.

Throws:

java.lang.IndexOutOfBoundsException - If either the row or column index is out of range.

getRows

public static int getRows(org.dmg.pmml.Matrix matrix)

Returns:

The number of rows.

getColumns

public static int getColumns(org.dmg.pmml.Matrix matrix)

Returns:

The number of columns.