You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: failed_tutorial_natmeg_dipolefitting.m
    path of file: ./repos/fieldtrip/test/invalid
    
    the code of the file until where you have to start completion: function failed_tutorial_natmeg_dipolefitting

% WALLTIME 00:40:00
% MEM 8gb
% DEPENDENCY

% this script executes the MATLAB content from
% http://www.fieldtriptoolbox.org/tutorial/natmeg/dipolefitting
%
% it corresponds to the wiki version of 7 October 2014

clear all
close all

cd(dccnpath('/home/common/matlab/fieldtrip/data/ftp/workshop/natmeg2014'));

mrifile = './dicom/00000113.dcm';

mri_orig = ft_read_mri(mrifile);

dataset = 'oddball1_mc_downsampled.fif';

grad    = ft_read_sens(dataset,'senstype','meg');
elec    = ft_read_sens(dataset,'senstype','eeg');
shape   = ft_read_headshape(dataset,'unit','cm');

figure;

    
function failed_tutorial_natmeg_dipolefitting

% WALLTIME 00:40:00
% MEM 8gb
% DEPENDENCY

% this script executes the MATLAB content from
% http://www.fieldtriptoolbox.org/tutorial/natmeg/dipolefitting
%
% it corresponds to the wiki version of 7 October 2014

clear all
close all

cd(dccnpath('/home/common/matlab/fieldtrip/data/ftp/workshop/natmeg2014'));

mrifile = './dicom/00000113.dcm';

mri_orig = ft_read_mri(mrifile);

dataset = 'oddball1_mc_downsampled.fif';

grad    = ft_read_sens(dataset,'senstype','meg');
elec    = ft_read_sens(dataset,'senstype','eeg');
shape   = ft_read_headshape(dataset,'unit','cm');

figure;
ft_plot_headshape(shape);
ft_plot_sens(grad, 'style', '*b');
ft_plot_sens(elec, 'style', '*g');

figure;
cfg = [];
ft_sourceplot(cfg, mri_orig);

if false
  % skip the interactive section
  cfg = [];
  cfg.method = 'interactive';
  cfg.coordsys = 'neuromag';
  [mri_realigned1] = ft_volumerealign(cfg, mri_orig);
  
  cfg = [];
  cfg.method = 'headshape';
  cfg.headshape = shape;
  [mri_realigned2] = ft_volumerealign(cfg, mri_realigned1);
else
  load('dipolefitting/mri_realigned2.mat');
end