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<p>normalizing constants include making the value of a Legendre polynomial at 1 and in the orthogonality of orthonormal functions.</p>

<p>A similar concept has been used in areas other than probability, such as for polynomials.</p>

<p><big>Definition</big></p>
<p>In <a href="page.php?w=probability_theory">probability theory</a>, a <b>normalizing constant</b> is a constant by which an everywhere non-negative function must be multiplied so the area under its graph is 1, e.g., to make it a <a href="page.php?w=probability_density_function">probability density function</a></p><p>
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