e/appendix-a-external-functions/samplexyt.html" class="sf-depth-4">SAMPLEXYT</a></li><li id="menu-1469-1" class="middle odd sf-item-43 sf-depth-4 sf-no-children"><a href="users-guide/appendix-a-external-functions/samplexz.html" class="sf-depth-4">SAMPLEXZ</a></li><li id="menu-1470-1" class="middle even sf-item-44 sf-depth-4 sf-no-children"><a href="users-guide/appendix-a-external-functions/sampleyz.html" class="sf-depth-4">SAMPLEYZ</a></li><li id="menu-1472-1" class="middle odd sf-item-45 sf-depth-4 sf-no-c