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