adratic H(curl) element. More precisely, suppose $$u=\sum \alpha_{i} \phi_{i}+\sum \beta_{j} \psi_{j}+\sum \gamma_{k} x_{k}$$</p>
<p>The interpolation is implemented in <code>faceinterpolate</code>.</p>

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<h3 id="Local-to-global-index-map">Local to global index map<a class="anchor-link" href="#Local-to-glob