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<title>Identification Number — id • CVXR</title>
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<h1>Identification Number</h1>
<small class="dont-index">Source: <a href='https://github.com/cvxgrp/CVXR/blob/master/R/generics.R'><code>R/generics.R</code></a></small>
<div class="hidden name"><code>id.Rd</code></div>
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<p>A unique identification number used internally to keep track of variables and constraints. Should not be modified by the user.</p>
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<pre class="usage"><span class='fu'>id</span>(<span class='no'>object</span>)</pre>
<h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
<table class="ref-arguments">
<colgroup><col class="name" /><col class="desc" /></colgroup>
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<th>object</th>
<td><p>A <a href='Variable-class.html'>Variable</a> or <a href='Constraint-class.html'>Constraint</a> object.</p></td>
</tr>
</table>
<h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
<p>A non-negative integer identifier.</p>
<h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
<div class='dont-index'><p><code><a href='get_id.html'>get_id</a></code> <code><a href='setIdCounter.html'>setIdCounter</a></code></p></div>
<h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
<pre class="examples"><div class='input'><span class='no'>x</span> <span class='kw'><-</span> <span class='fu'><a href='Variable-class.html'>Variable</a></span>()
<span class='no'>constr</span> <span class='kw'><-</span> (<span class='no'>x</span> <span class='kw'>>=</span> <span class='fl'>5</span>)
<span class='fu'>id</span>(<span class='no'>x</span>)</div><div class='output co'>#> [1] 1975</div><div class='input'><span class='fu'>id</span>(<span class='no'>constr</span>)</div><div class='output co'>#> [1] 1979</div></pre>
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