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extrema / usr / share / extrema / Help / Functions / dilog.htm
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<TITLE>Dilogarithm</TITLE>
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<font size="+3" color="green"><B>Dilogarithm</B></font></P>
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<TD width="15%" valign="top"><B>Syntax</B>:</TD>
<TD width="85%"><CODE>
y = DILOG(x)</code>
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<p>
 The dilogarithm, <i>Li<sub>2</sub>(x)</i>, occurs in Feynman diagram integrals in particle
 physics.  <i>Li<sub>2</sub>(1-x)</i> is sometimes known as Spence's integral.</p>
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 <img src="dilogI01.png"></p>
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