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<!DOCTYPE html>
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<title>geometry-processing-js Class: Triplet</title>
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<h1 class="page-title">Class: Triplet</h1>
<section>
<header>
<h2>
<span class="ancestors"><a href="module-LinearAlgebra.html">LinearAlgebra</a>.</span>
Triplet
</h2>
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<article>
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<dt>
<h4 class="name" id="Triplet"><span class="type-signature"></span>new Triplet(m, n)</h4>
</dt>
<dd>
<div class="description">
<p>This class represents a small structure to hold nonzero entries in a <a href="module-LinearAlgebra.SparseMatrix.html">SparseMatrix</a>.<br>
Each entry is a triplet of a value and the (i, j)th indices, i.e., (x, i, j).</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>m</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The number of rows in the sparse matrix that will be initialized<br>
from this triplet.</p></td>
</tr>
<tr>
<td class="name"><code>n</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The number of columns in the sparse matrix that will be initialized<br>
from this triplet.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
</dl>
<h5>Example</h5>
<pre class="sunlight-highlight-javascript">let T = new Triplet(100, 100);
T.addEntry(3.4, 11, 43);
T.addEntry(6.4, 99, 99);
let A = SparseMatrix.fromTriplet(T);</pre>
</dd>
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<h3 class="subsection-title">Methods</h3>
<dl>
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<dt>
<h4 class="name" id="addEntry"><span class="type-signature"></span>addEntry(x, i, j)</h4>
</dt>
<dd>
<div class="description">
<p>A(i, j) += x</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
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<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The value of the nonzero entry being inserted into this triplet.</p></td>
</tr>
<tr>
<td class="name"><code>i</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The ith row of the sparse matrix that will be initialized<br>
from this triplet.</p></td>
</tr>
<tr>
<td class="name"><code>j</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The jth column of the sparse matrix that will be initialized<br>
from this triplet.</p></td>
</tr>
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