title: How to format data for use in nntool (MATLAB)?
body: <p>In <code>nntool</code>, the sample data is formatted as: <code>[0 1 -1; 2 3 1]</code></p>
  
  <p>I have ~8000 data points in a text file. 
  <strong>How do I format those points for use here? What does the semicolon signify?</strong></p>