l#Seq[+A]=Seq[A]" name="scala.Seq" id="scala.Seq" class="extmbr">Seq</a>[<a href="../../scala/index.html#Vector[+A]=scala.collection.immutable.Vector[A]" name="scala.Vector" id="scala.Vector" class="extmbr">Vector</a>[<span name="scala.Double" class="extype">Double</span>]]</span>, <span name="accum">accum: <a href="../../scala/index.html#Vector[+A]=scala.collection.immutable.Vector[A]" name="scala.Vector" id="scala.Vector" class="extmbr">Vector</a>[<span name="scala.Double" class="extype">Double</span>] = 