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<a accesskey="1" href="page.php?w=del&amp;p=7">1.Previous</a><br />
<a accesskey="3" href="page.php?w=del&amp;p=9">3.Next</a>
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<p>for the <a href="page.php?w=gradient">gradient</a>, <a href="page.php?w=divergence">divergence</a>, <a href="page.php?w=Curl_%28mathematics%29">curl</a>, <a href="page.php?w=directional_derivative">directional derivative</a>, and <a href="page.php?w=Laplacian">Laplacian</a>.</p>

<p><big>Gradient</big></p>
<p>The vector derivative of a <a href="page.php?w=scalar_field">scalar field</a>  is called the <a href="page.php?w=gradient">gradient</a>, and it can be represented as:<br/>
: </p>

<p>It always points in the <a href="page.php?w=Direction_%28geometry%29">direction</a></p><p>
<a accesskey="1" href="page.php?w=del&amp;p=7">1.Previous</a><br />
<a accesskey="3" href="page.php?w=del&amp;p=9">3.Next</a>
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