alue</h2>
    <p><code>U</code> A list of matrices with orthonormal columns. Each matrix
  contains the mode-specific singular vectors of its mode.</p>
<p><code>S</code> An all-orthogonal array. This is the core array from the HOSVD.</p>
    </div>
    <div id="details">
    <h2>Details</h2>
    <p>If <code>r</code> is equal to the rank of <code>Y</code>, then <code>Y</code> is equal to
<code>atrans(S, U)</code>, up to numerical accuracy.</p>
<p>More details on the HOSVD can be found in De Lathauwer et. al.