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: tucker_me_test.m
    path of file: ./repos/imtsl/libs/tensor_toolbox_2.5/met
    
    the code of the file until where you have to start completion: function tucker_me_test
%TUCKER_ME_TEST Very simple tests of tucker_me.
%   Code by Tamara Kolda and Jimeng Sun, 2008. 
%

    
function tucker_me_test
%TUCKER_ME_TEST Very simple tests of tucker_me.
%   Code by Tamara Kolda and Jimeng Sun, 2008. 
%
%   Based on the paper:
%   T. G. Kolda and J. Sun. Scalable Tensor Decompositions for Multi-aspect
%   Data Mining. In: ICDM 2008: Proceedings of the 8th IEEE International
%   Conference on Data Mining, December 2008.  

% $Id: tucker_me_test.m,v 1.2 2009/07/08 00:03:52 tgkolda Exp $


%% Set up
csz = [3 6 9 12];
tsz = [50 50 50 50];
X = tucker_me_test_gendata(csz, tsz, .001);

%%
fprintf('-----------------------------------------------------------\n');
fprintf('%-20s | %-7s | %-10s |%-10s \n','Method','Time(s)','Error', 'Memory ratio');
fprintf('-----------------------------------------------------------\n');
%%
tic
[T,Uinit] = tucker_als(X,csz);
t = toc;
fprintf('%-20s | %7.2f | %10.3e \n', 'tucker_als (standard)', t, 1-norm(T)/norm(X));
 
% Make sure that they all use the same initial guess
opts.init = Uinit;

tic
[T, mem_orig] = tucker_me(X,csz, 0, opts);
t = toc;
fprintf('%-20s | %7.2f | %10.3e |%f \n', 'tucker_me (standard)', t, 1-norm(T)/norm(X), 1);
 

%%
tic
[T,mem] = tucker_me(X,csz,1,opts);
t = toc;
fprintf('%-20s | %7.2f | %10.3e|%f  \n', 'tucker_me (slicewise)', t, 1-norm(T)/norm(X), mem/mem_orig);

%%
tic
[T,mem] = tucker_me(X,csz,2,opts);
t = toc;
fprintf('%-20s | %7.2f | %10.3e |%f \n', 'tucker_me (fiberwise)', t, 1-norm(T)/norm(X), mem/mem_orig);

%% Really slow! 
tic
[T,mem] =  tucker_me(X,csz,3,opts);
t = toc;
fprintf('%-20s | %7.2f | %10.3e |%f \n', 'tucker_me (elementwise)', t, 1-norm(T)/norm(X), mem/mem_orig);

%----------------------------------------------------------------------
function [X,G,U] = tucker_me_test_gend