="anchor"></a><code><span><span class="keyword">mutable</span> learning_rate : <a href="../Learning_Rate/index.html#type-typ">Learning_Rate.typ</a>;</span></code></li><li id="type-typ.regularisation" class="def record field anchored"><a href="#type-typ.regularisation" class="anchor"></a><code><span><span class="keyword">mutable</span> regularisation : <a href="../Regularisation/index.html#type-typ">Regularisation.typ</a>;</span></code></li><li id="type-typ.momentum" class="def record field anchored"><a href