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<title>Calculate the inverse of a matrix</title>
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<h1 class="refname">Lapack::pseudoInverse</h1>
<p class="verinfo">(PECL lapack >= 0.1.0)</p><p class="refpurpose"><span class="refname">Lapack::pseudoInverse</span> — <span class="dc-title">Calculate the inverse of a matrix</span></p>
</div>
<div class="refsect1 description" id="refsect1-lapack.pseudoinverse-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="modifier">static</span> <span class="type">array</span> <span class="methodname"><strong>Lapack::pseudoInverse</strong></span>
( <span class="methodparam"><span class="type">array</span> <code class="parameter">$a</code></span>
)</div>
<p class="para rdfs-comment">
Find the pseudoinverse of a matrix A.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-lapack.pseudoinverse-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<span class="term"><em><code class="parameter">a</code></em></span>
<dd>
<p class="para">
Matrix to invert
</p>
</dd>
</dt>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-lapack.pseudoinverse-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Inverted matrix (array of arrays).
</p>
</div>
<div class="refsect1 examples" id="refsect1-lapack.pseudoinverse-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3444">
<p><strong>Example #1 Using <span class="function"><strong>Lapack::pseudoInverse()</strong></span>:</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br /> $a </span><span style="color: #007700">= array(<br /> array( </span><span style="color: #0000BB">8</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">6 </span><span style="color: #007700">),<br /> array( </span><span style="color: #0000BB">3</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #0000BB">7 </span><span style="color: #007700">),<br /> array( </span><span style="color: #0000BB">4</span><span style="color: #007700">, </span><span style="color: #0000BB">9</span><span style="color: #007700">, </span><span style="color: #0000BB">2 </span><span style="color: #007700">),<br /> );<br /><br /> </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">Lapack</span><span style="color: #007700">::</span><span style="color: #0000BB">pseudoInverse</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">?></span>
</span>
</code></div>
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