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<p>For many distributions, the kernel can be written in closed form, but not the normalization constant.</p>

<p>An example is the <a href="page.php?w=normal_distribution">normal distribution</a>.  Its <a href="page.php?w=probability_density_function">probability density function</a> is</p>

<p>
:</p>

<p>and the associated kernel is</p>

<p>
:</p>

<p>Note that the factor in front of the exponential has been omitted, even though it contains the parameter  , because it is not a function of the domain variable  .</p>

<p><big>Pattern analysis</big></p>
<p>The</p><p>
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