org.apache.flink.ml.common.linalg

Class MatVecOp

java.lang.Object

org.apache.flink.ml.common.linalg.MatVecOp

public class MatVecOp
extends Object

A utility class that provides operations over DenseVector, SparseVector and DenseMatrix.

Constructor Summary

Constructors

Constructor and Description
MatVecOp()

Method Summary

Modifier and Type	Method and Description
static void	apply(DenseMatrix x1, DenseMatrix x2, DenseMatrix y, java.util.function.BiFunction<Double,Double,Double> func) y = func(x1, x2).
static void	apply(DenseMatrix x, DenseMatrix y, java.util.function.Function<Double,Double> func) y = func(x).
static void	apply(DenseVector x1, DenseVector x2, DenseVector y, java.util.function.BiFunction<Double,Double,Double> func) y = func(x1, x2).
static void	apply(DenseVector x, DenseVector y, java.util.function.Function<Double,Double> func) y = func(x).
static SparseVector	apply(SparseVector x1, SparseVector x2, java.util.function.BiFunction<Double,Double,Double> func) Create a new SparseVector by element wise operation between two SparseVectors.
static double	applySum(DenseMatrix x1, DenseMatrix x2, java.util.function.BiFunction<Double,Double,Double> func) \sum_ij func(x1_ij, x2_ij) .
static double	applySum(DenseVector x1, DenseVector x2, java.util.function.BiFunction<Double,Double,Double> func) \sum_i func(x1_i, x2_i) .
static double	applySum(DenseVector x1, SparseVector x2, java.util.function.BiFunction<Double,Double,Double> func) \sum_i func(x1_i, x2_i) .
static double	applySum(SparseVector x1, DenseVector x2, java.util.function.BiFunction<Double,Double,Double> func) \sum_i func(x1_i, x2_i) .
static double	applySum(SparseVector x1, SparseVector x2, java.util.function.BiFunction<Double,Double,Double> func) \sum_i func(x1_i, x2_i) .
static double	dot(Vector vec1, Vector vec2) Compute vec1 \cdot vec2 .
static Vector	minus(Vector vec1, Vector vec2) compute vec1 - vec2 .
static Vector	plus(Vector vec1, Vector vec2) compute vec1 + vec2 .
static double	sumAbsDiff(Vector vec1, Vector vec2) Compute || vec1 - vec2 ||_1 .
static double	sumSquaredDiff(Vector vec1, Vector vec2) Compute || vec1 - vec2 ||_2^2 .

Methods inherited from class java.lang.Object

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

Constructor Detail

MatVecOp

public MatVecOp()

Method Detail

plus

public static Vector plus(Vector vec1,
                          Vector vec2)

compute vec1 + vec2 .

minus

public static Vector minus(Vector vec1,
                           Vector vec2)

compute vec1 - vec2 .

dot

public static double dot(Vector vec1,
                         Vector vec2)

Compute vec1 \cdot vec2 .

sumAbsDiff

public static double sumAbsDiff(Vector vec1,
                                Vector vec2)

Compute || vec1 - vec2 ||_1 .

sumSquaredDiff

public static double sumSquaredDiff(Vector vec1,
                                    Vector vec2)

Compute || vec1 - vec2 ||_2^2 .

apply

public static void apply(DenseMatrix x,
                         DenseMatrix y,
                         java.util.function.Function<Double,Double> func)

y = func(x).

apply

public static void apply(DenseMatrix x1,
                         DenseMatrix x2,
                         DenseMatrix y,
                         java.util.function.BiFunction<Double,Double,Double> func)

y = func(x1, x2).

apply

public static void apply(DenseVector x,
                         DenseVector y,
                         java.util.function.Function<Double,Double> func)

y = func(x).

apply

public static void apply(DenseVector x1,
                         DenseVector x2,
                         DenseVector y,
                         java.util.function.BiFunction<Double,Double,Double> func)

y = func(x1, x2).

apply

public static SparseVector apply(SparseVector x1,
                                 SparseVector x2,
                                 java.util.function.BiFunction<Double,Double,Double> func)

Create a new SparseVector by element wise operation between two SparseVectors. y = func(x1, x2).

applySum

public static double applySum(DenseVector x1,
                              DenseVector x2,
                              java.util.function.BiFunction<Double,Double,Double> func)

\sum_i func(x1_i, x2_i) .

applySum

public static double applySum(SparseVector x1,
                              SparseVector x2,
                              java.util.function.BiFunction<Double,Double,Double> func)

\sum_i func(x1_i, x2_i) .

applySum

public static double applySum(DenseVector x1,
                              SparseVector x2,
                              java.util.function.BiFunction<Double,Double,Double> func)

\sum_i func(x1_i, x2_i) .

applySum

public static double applySum(SparseVector x1,
                              DenseVector x2,
                              java.util.function.BiFunction<Double,Double,Double> func)

\sum_i func(x1_i, x2_i) .

applySum

public static double applySum(DenseMatrix x1,
                              DenseMatrix x2,
                              java.util.function.BiFunction<Double,Double,Double> func)

\sum_ij func(x1_ij, x2_ij) .