>(3x1, or 1x3 cartesian vector) </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>3x3 <a class="el" href="classnc_1_1_nd_array.html" title="Holds 1D and 2D arrays, the main work horse of the NumCpp library.">NdArray</a> </dd></dl>

</div>
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<h2 class="memtitle"><span class="permalink"><a href="#af55949f0049c2a7b1a3e1f36a31a678f">&#9670;&#160;</a></span>hat() <span class="overload">[2