rSFA (version 1.00)

sfaExpand: Degree 2 Expansion

Description

Expand a signal in the space of polynomials of degree 2. This is the default expansion function used by rSFA.

Usage

sfaExpand(sfaList, DATA)

Arguments

sfaList

A list that contains all information about the handled sfa-structure

DATA

Input data, each column a different variable

Value

• expanded matrix DATA

References

sfa2 nlExpand xpDim