k1'}    {'o1'}    {'n2'}    {'p1'}    {'k2'}
  Column 8
    {'q1'}
</pre><p>The variable <tt>h</tt> is a complex data cube with dimensions 3530x2190x8, which correspond to the <i>y</i> and <i>x</i> dimensions and the eight constituents. If you'd just like the <i>amplitude</i> (not complex) of the m2 coefficient, enter <tt>'hAm'</tt> and the constituent you desire, like this:</p><pre class="codeinput"><span class="comment">% Load the M2 global tidal height amplitude:</span>
[M2,x,y] = tmd_data(<span class="s