matrix between a1 and a2</span>
0009 <span class="comment">%________________________________________________________</span>
0010 <span class="comment">%</span>
0011 <span class="comment">% Licence</span>
0012 <span class="comment">% Toolbox distributed under GPL 3.0 Licence</span>
0013 <span class="comment">%________________________________________________________</span>
0014 <span class="comment">%</span>
0015 <span class="comment">% Authors : Antoine Muller, Charles Pontonnier, Pierre Puchaud and</span>
0