e</span> bf : <a href="../Optimise/Algodiff/index.html#type-t">Optimise.Algodiff.t</a>;</span></code></li><li id="type-neuron_typ.bo" class="def record field anchored"><a href="#type-neuron_typ.bo" class="anchor"></a><code><span><span class="keyword">mutable</span> bo : <a href="../Optimise/Algodiff/index.html#type-t">Optimise.Algodiff.t</a>;</span></code></li><li id="type-neuron_typ.c" class="def record field anchored"><a href="#type-neuron_typ.c" class="anchor"></a><code><span><span class="keyword">mutabl