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<h1 class="reftitle">copy</h1>
<h2>Purpose</h2>
<p>Create a copy of an object derived from the Union class.</p>
<h2>Syntax</h2>
<pre class="synopsis">Unew = U.copy</pre>
<pre class="synopsis">Unew = copy(U)</pre>
<h2>Description</h2>
<p><