perturb_jacobian

PURPOSE ^

PERTURB_JACOBIAN: J= perturb_jacobian( fwd_model, img)

SYNOPSIS ^

function J= perturb_jacobian( varargin )

DESCRIPTION ^

 PERTURB_JACOBIAN: J= perturb_jacobian( fwd_model, img)
 Calculate Jacobian Matrix, based on small perturbations
   in the forward model. This will tend to be slow, but
   should be best used to 'sanity check' other code

 J         = Jacobian matrix
 fwd_model = forward model
 fwd_model.perturb_jacobian.delta   - delta perturbation to use
 img = image background for jacobian calc

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function J= perturb_jacobian( varargin )
0002 % PERTURB_JACOBIAN: J= perturb_jacobian( fwd_model, img)
0003 % Calculate Jacobian Matrix, based on small perturbations
0004 %   in the forward model. This will tend to be slow, but
0005 %   should be best used to 'sanity check' other code
0006 %
0007 % J         = Jacobian matrix
0008 % fwd_model = forward model
0009 % fwd_model.perturb_jacobian.delta   - delta perturbation to use
0010 % img = image background for jacobian calc
0011 
0012 % (C) 2006 Andy Adler. License: GPL version 2 or version 3
0013 % $Id: perturb_jacobian.m 3289 2012-07-01 10:40:31Z aadler $
0014 
0015 warning('EIDORS:deprecated','PERTURB_JACOBIAN is deprecated as of 08-Jun-2012. Use JACOBIAN_PERTURB instead.');
0016 
0017 if isfield(inv_model,'perturb_jacobian');
0018   inv_model.jacobian_perturb = inv_model.perturb_jacobian;
0019 end
0020 
0021 J = jacobian_perturb(varargin{:});

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