features_matrix.m

vector to matrix function

%This function computes the features matrix
%The features which computed are: variance (energy), skewness,...

function [Xf] = features_matrix (W)

[n,m]=size(W);  %dimensions of the features matrix

for k=1:1:m
    Xf(1,k) = var (W(:,k)) ;
        Xf(2,k) = moment (W(:,k),2) ;
                Xf(3,k) = skewness (W(:,k)) ;
                         Xf(4,k) = moment (W(:,k),3) ;
                         Xf(5,k) = kurtosis (W(:,k)) ;
                         Xf(6,k) = moment (W(:,k),4) ;
                                                  Xf(7,k) = corrcoef (W(:,k)) ;
end