% Import the XPath classes
import javax.xml.xpath.*

% Construct the DOM.
doc = xmlread(which('demos/demos.xml'));

% Create an XPath expression.
factory = XPathFactory.newInstance;
xpath = factory.newXPath;
expression = xpath.compile('//demosection/label');

% Apply the expression to the DOM.
nodeList = expression.evaluate(doc,XPathConstants.NODESET);

% Iterate through the nodes that are returned.
for i = 1:nodeList.getLength
    node = nodeList.item(i-1);
    disp(char(node.getFirstChild.getNodeValue))
end

Getting Started
Mathematics
Graphics
3-D Visualization
Programming
Desktop Tools and Development Environment
Creating Graphical User Interfaces
External Interfaces
Gallery
Other Demos
New Features in Version 7