Home > bml > utils > bml_locavgref_matrix.m

bml_locavgref_matrix

PURPOSE

BML_LOCAVGREF_MATRIX creates a local average referencing matrix

SYNOPSIS

function U=bml_locavgref_matrix(n,alpha)

DESCRIPTION

 BML_LOCAVGREF_MATRIX creates a local average referencing matrix

 Use as 
   U = bml_locavgref_matrix(n,alpha)

CROSS-REFERENCE INFORMATION

This function calls:

This function is called by:

bml_rereference BML_REREFERENCE applies re-referencing scheme to raw

SOURCE CODE

0001 function U=bml_locavgref_matrix(n,alpha)
0002 
0003 % BML_LOCAVGREF_MATRIX creates a local average referencing matrix
0004 %
0005 % Use as
0006 %   U = bml_locavgref_matrix(n,alpha)
0007 %
0008 
0009 if ~exist('alpha','var')
0010   alpha=1;
0011 end
0012 
0013 U = eye(n);
0014 U(1,2)=-alpha;
0015 U(n,n-1)=-alpha;
0016 for i=2:(n-1)
0017   U(i,i+1)=-alpha/2;
0018   U(i,i-1)=-alpha/2;
0019 end
0020