an> <span class="cf">function</span>(lambda,</span>
<span id="cb6-17"><a href="#cb6-17" aria-hidden="true" tabindex="-1"></a>                                                               alpha_intra,</span>
<span id="cb6-18"><a href="#cb6-18" aria-hidden="true" tabindex="-1"></a>                                                               alpha_inter,</span>
<span id="cb6-19"><a href="#cb6-19" aria-hidden="true" tabindex="-1"></a>                                                               lambda_cov,<