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<a accesskey="3" href="page.php?w=covariance_matrix&amp;p=2">3.Next</a>
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<p><a href="page.php?w=Image%3AGaussian-2d.png">thumb</a><a href="page.php?w=Image%3AGaussianScatterPCA.svg">thumb</a>In <a href="page.php?w=probability_theory">probability theory</a> and <a href="page.php?w=statistics">statistics</a>, a <b>covariance matrix</b> (also known as <b>auto-covariance matrix</b>, <b>dispersion matrix</b>, <b>variance matrix</b>, or <b>variance-covariance matrix</b>) is a square <a href="page.php?w=Matrix_%28mathematics%29">matrix</a> giving the <a href="page.php?w=covariance">covariance</a> between each pair of elements</p><p>
<a accesskey="3" href="page.php?w=covariance_matrix&amp;p=2">3.Next</a>
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