title: Reshape 3d matrix to 2d matrix
body: <p>I have a 3d matrix (<code>n-by-m-by-t</code>) in MATLAB representing <code>n-by-m</code> measurements in a grid over a period of time. I would like to have a 2d matrix, where the spatial information is gone and only <code>n*m</code> measurements over time <code>t</code> are left (ie: <code>n*m-by-t</code>)</p>
  
  <p>How can I do this?</p>