>Int</span></span>, <span name="damp">damp: <span name="scala.Double" class="extype">Double</span> = <span class="symbol">0.0</span></span>)</span><span class="result">: <span name="scala.collection.immutable.Vector" class="extype">Vector</span>[<span name="scala.Double" class="extype">Double</span>]</span></span></li><li class="indented0 " name="provingground.learning.WeightVect#sum" group="Ungrouped" fullComment="yes" data-isabs="false" visbl="pub"><a id="sum(vs:Seq[Vector[Double]],accum:Vector[Double]):V