org.apache.sysml.runtime.matrix.data

Class LibCommonsMath

java.lang.Object

org.apache.sysml.runtime.matrix.data.LibCommonsMath

public class LibCommonsMath
extends Object

Library for matrix operations that need invocation of Apache Commons Math library. This library currently supports following operations: matrix inverse, matrix decompositions (QR, LU, Eigen), solve

Method Summary

Modifier and Type	Method and Description
static boolean	isSupportedMatrixMatrixOperation(String opcode)
static boolean	isSupportedMultiReturnOperation(String opcode)
static boolean	isSupportedUnaryOperation(String opcode)
static MatrixBlock	matrixMatrixOperations(MatrixBlock in1, MatrixBlock in2, String opcode)
static MatrixBlock[]	multiReturnOperations(MatrixBlock in, String opcode)
static MatrixBlock	unaryOperations(MatrixBlock inj, String opcode)

Methods inherited from class java.lang.Object

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

Method Detail

isSupportedUnaryOperation

public static boolean isSupportedUnaryOperation(String opcode)

isSupportedMultiReturnOperation

public static boolean isSupportedMultiReturnOperation(String opcode)

isSupportedMatrixMatrixOperation

public static boolean isSupportedMatrixMatrixOperation(String opcode)

unaryOperations

public static MatrixBlock unaryOperations(MatrixBlock inj,
                                          String opcode)

multiReturnOperations

public static MatrixBlock[] multiReturnOperations(MatrixBlock in,
                                                  String opcode)

matrixMatrixOperations

public static MatrixBlock matrixMatrixOperations(MatrixBlock in1,
                                                 MatrixBlock in2,
                                                 String opcode)