smile.math.kernel

Class BinarySparseLinearKernel

java.lang.Object

smile.math.kernel.BinarySparseLinearKernel

All Implemented Interfaces:

java.io.Serializable, java.util.function.ToDoubleBiFunction<int[],int[]>, MercerKernel<int[]>

public class BinarySparseLinearKernel
extends java.lang.Object
implements MercerKernel<int[]>

The linear dot product kernel on sparse binary arrays in int[], which are the indices of nonzero elements. When using a linear kernel, input space is identical to feature space.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BinarySparseLinearKernel() Constructor.

Method Summary

Modifier and Type	Method and Description
double	k(int[] x, int[] y) Kernel function.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface smile.math.kernel.MercerKernel

apply, applyAsDouble

Constructor Detail

BinarySparseLinearKernel

public BinarySparseLinearKernel()

Constructor.

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

k

public double k(int[] x,
                int[] y)

Description copied from interface: MercerKernel

Kernel function.

Specified by:

k in interface MercerKernel<int[]>