de.lmu.ifi.dbs.elki.math.linearalgebra.randomprojections

Interface RandomProjectionFamily

All Known Implementing Classes:

AbstractRandomProjectionFamily, AchlioptasRandomProjectionFamily, CauchyRandomProjectionFamily, GaussianRandomProjectionFamily

public interface RandomProjectionFamily

Interface for random projection families.

Method Summary

Methods

Modifier and Type	Method and Description
Matrix	generateProjectionMatrix(int dim, int odim) Generate a projection matrix for the given dimensionalities.
Vector	generateProjectionVector(int dim) Generate a random projection vector for the given dimensionality.

Method Detail

generateProjectionMatrix

Matrix generateProjectionMatrix(int dim,
                              int odim)

Generate a projection matrix for the given dimensionalities.

Parameters:

dim - Input Dimensionality

odim - Output Dimensionality

Returns:

Projection matrix

generateProjectionVector

Vector generateProjectionVector(int dim)

Generate a random projection vector for the given dimensionality.

Parameters:

dim - Input Dimensionality

Returns:

Projection vector