pper_bounds =</span> <span class="kw">list</span>(<span class="dt">lambda =</span> <span class="dv">100</span>,</a>
<a class="sourceLine" id="cb26-21" title="21">                                               <span class="dt">alpha_intra =</span> <span class="dv">1</span>,</a>
<a class="sourceLine" id="cb26-22" title="22">                                               <span class="dt">alpha_inter =</span> <span class="dv">1</span>,</a>
<a class="sourceLine" id="cb26-23" title="23">                          