costeinvrespfour

PURPOSE ^

costerespfour computes the coefficients in the Fourier domain using the regularization operator.

SYNOPSIS ^

function F=costeinvrespfour(observado,lcuan,H,k1,k2,umbral);

DESCRIPTION ^

 costerespfour computes the coefficients in the Fourier domain using the regularization operator.
 The function returns the inverse of the response to the transform coefficients in the block. To do this,
 the function uses a threshold parameter called "umbral" to set the minimum response value:

 USAGE: C = costerespfour(bloque,ladobloque,H,k1,k2,umbral);
        The nonlinear model considers neighbour interactions (H is this non-diagonal)

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 
0002 % costerespfour computes the coefficients in the Fourier domain using the regularization operator.
0003 % The function returns the inverse of the response to the transform coefficients in the block. To do this,
0004 % the function uses a threshold parameter called "umbral" to set the minimum response value:
0005 %
0006 % USAGE: C = costerespfour(bloque,ladobloque,H,k1,k2,umbral);
0007 %        The nonlinear model considers neighbour interactions (H is this non-diagonal)
0008 %
0009 
0010 function F=costeinvrespfour(observado,lcuan,H,k1,k2,umbral);
0011 
0012 C=responsefourier(observado,lcuan,H,k1,k2);
0013 
0014 C(lcuan/2+1,lcuan/2+1) = 1;
0015 F = C.*( C > umbral ) + umbral.*( C <= umbral );
0016 
0017 F=1./F;
0018 
0019 F = F/max(max(F));
0020 
0021 F(lcuan/2+1,lcuan/2+1) = 1;
0022

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