class="string">'x = 5 km'</span>);legend(<span class="string">'true'</span>,<span class="string">'initial'</span>,<span class="string">'final'</span>);
</pre><img vspace="5" hspace="5" src="examples_08.png"> <img vspace="5" hspace="5" src="examples_09.png"> <h2>References<a name="7"></a></h2>
         <p><a href="https://slim.gatech.edu/node/6390">[1]</a> Felix J. Herrmann, Xiang Li, Aleksandr Y. Aravkin, and Tristan van Leeuwen, A modified, sparsity promoting, Gauss-Newton
            algorithm for seismic