><span name="bvs">bvs: <span name="spire.algebra.VectorSpace" class="extype">VectorSpace</span>[<span name="provingground.learning.TangVec.vs.T" class="extype">T</span>, <span name="scala.Double" class="extype">Double</span>]</span>)</span><span class="result">: <span name="spire.algebra.VectorSpace" class="extype">VectorSpace</span>[<a href="TangVec.html" name="provingground.learning.TangVec" id="provingground.learning.TangVec" class="extype">TangVec</a>[<span name="provingground.learning.TangVec.vs.T" cla