Package org.apache.sysds.runtime.matrix.data

Class LibCommonsMath

java.lang.Object

org.apache.sysds.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	Description
static MatrixBlock	computeSolve(MatrixBlock in1, MatrixBlock in2)	Function to solve a given system of equations.
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, int threads)
static MatrixBlock[]	multiReturnOperations(MatrixBlock in, String opcode, int threads, int num_iterations, double tol)
static MatrixBlock[]	multiReturnOperations(MatrixBlock in, String opcode, int threads, long seed)
static MatrixBlock[]	multiReturnOperations(MatrixBlock in1, MatrixBlock in2, String opcode)
static MatrixBlock[]	multiReturnOperations(MatrixBlock in1, MatrixBlock in2, String opcode, int threads, long seed)
static MatrixBlock	unaryOperations(MatrixBlock inj, String opcode)

Methods inherited from class java.lang.Object

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

Method Details

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,
 int threads)

multiReturnOperations

public static MatrixBlock[] multiReturnOperations(MatrixBlock in1,
 MatrixBlock in2,
 String opcode)

multiReturnOperations

public static MatrixBlock[] multiReturnOperations(MatrixBlock in,
 String opcode,
 int threads,
 int num_iterations,
 double tol)

multiReturnOperations

public static MatrixBlock[] multiReturnOperations(MatrixBlock in,
 String opcode,
 int threads,
 long seed)

multiReturnOperations

public static MatrixBlock[] multiReturnOperations(MatrixBlock in1,
 MatrixBlock in2,
 String opcode,
 int threads,
 long seed)

matrixMatrixOperations

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

computeSolve

public static MatrixBlock computeSolve(MatrixBlock in1,
 MatrixBlock in2)

Function to solve a given system of equations.

Parameters:

in1 - matrix object 1

in2 - matrix object 2

Returns:

matrix block