harp.Backend/graphblas-fsharp-backend-vector-vector.html">graphblas fsharp backend vector vector</a></li></ul></li></ul></li><li class="nav-item dropdown"><a id="navbarDropdown-Explanations" href="#" data-toggle="dropdown" aria-hasPopup  class="nav-link dropdown-toggle">Explanations</a><ul aria-labelledby="dropdownMenu1" class="dropdown-menu border-0 shadow"><li class="nav-item"><a class="dropdown-item" href="https://yaccconstructor.github.io/GraphBLAS-sharp/Explanations/Background.html">Background</a></li>