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<A NAME=BESSELK>

<TITLE>BESSELK</TITLE></A>
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<B>BESSELK</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
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The <em>BesselK</em> operator returns the modified Bessel function K. 
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syntax: </H3>
<em>BesselK</em>(&lt;order&gt;,&lt;argument&gt;) 
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examples: </H3>
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df(besselk(0,x),x); 

  - besselk(1,x)

</TT></PRE><P>There is currently no numeric support for the operator <em>BesselK
</em>. 
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