Package org.ejml.sparse.csc.mult

Class MatrixVectorMult_DSCC

java.lang.Object

org.ejml.sparse.csc.mult.MatrixVectorMult_DSCC

public class MatrixVectorMult_DSCC
extends Object

Constructor Summary

Constructors

Constructor	Description
MatrixVectorMult_DSCC()

Method Summary

Modifier and Type	Method	Description
static double	innerProduct(double[] a, int offsetA, DMatrixSparseCSC B, double[] c, int offsetC)	scalar = AT*B*C
static double	innerProduct(DMatrixSparseCSC A, DMatrixRMaj B, DMatrixSparseCSC C)	scalar = AT*B*C
static double	innerProductSelfSymmetrical(DMatrixSparseCSC A, DMatrixRMaj B)	scalar = AT*B*A
static void	mult(double[] a, int offsetA, DMatrixSparseCSC B, double[] c, int offsetC)	c = aT*B
static void	mult(DMatrixSparseCSC A, double[] b, int offsetB, double[] c, int offsetC)	c = A*b
static void	multAdd(DMatrixSparseCSC A, double[] b, int offsetB, double[] c, int offsetC)	c = c + A*b

Methods inherited from class java.lang.Object

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

Constructor Details

MatrixVectorMult_DSCC

public MatrixVectorMult_DSCC()

Method Details

mult

public static void mult(DMatrixSparseCSC A,
 double[] b,
 int offsetB,
 double[] c,
 int offsetC)

c = A*b

Parameters:

A - (Input) Matrix

b - (Input) vector

offsetB - (Input) first index in vector b

c - (Output) vector

offsetC - (Output) first index in vector c

multAdd

public static void multAdd(DMatrixSparseCSC A,
 double[] b,
 int offsetB,
 double[] c,
 int offsetC)

c = c + A*b

Parameters:

A - (Input) Matrix

b - (Input) vector

offsetB - (Input) first index in vector b

c - (Output) vector

offsetC - (Output) first index in vector c

mult

public static void mult(double[] a,
 int offsetA,
 DMatrixSparseCSC B,
 double[] c,
 int offsetC)

c = a^T*B

Parameters:

a - (Input) vector

offsetA - Input) first index in vector a

B - (Input) Matrix

c - (Output) vector

offsetC - (Output) first index in vector c

innerProduct

public static double innerProduct(double[] a,
 int offsetA,
 DMatrixSparseCSC B,
 double[] c,
 int offsetC)

scalar = A^T*B*C

Parameters:

a - (Input) vector

offsetA - Input) first index in vector a

B - (Input) Matrix

c - (Output) vector

offsetC - (Output) first index in vector c

innerProduct

public static double innerProduct(DMatrixSparseCSC A,
 DMatrixRMaj B,
 DMatrixSparseCSC C)

scalar = A^T*B*C

Parameters:

A - (Input) A column vector that has length m.

B - (Input) A matrix that is m by n.

C - (Input) A column vector that has length n.

innerProductSelfSymmetrical

public static double innerProductSelfSymmetrical(DMatrixSparseCSC A,
 DMatrixRMaj B)

scalar = A^T*B*A

Parameters:

A - (Input) A column vector that has length n.

B - (Input) A matrix that is n by n and symmetrical.