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<head><title>BesselY -- Bessel function of the second kind</title>
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<div><h1>BesselY -- Bessel function of the second kind</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>BesselY(n,x)</tt><br/><tt>BesselY_n x</tt></div>
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<li><div class="single">Inputs:<ul><li><span><tt>n</tt>, <span>an <a href="___Z__Z.html">integer</a></span>, the order</span></li>
<li><span><tt>x</tt>, <span>an <a href="___Z__Z.html">integer</a></span>, <span>a <a href="___Q__Q.html">rational number</a></span>, or <span>a <a href="___R__R.html">real number</a></span></span></li>
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<li><div class="single">Outputs:<ul><li><span>the Bessel function of the second kind of order <tt>n</tt> at <tt>x</tt></span></li>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : BesselY_0 .5
o1 = -.444518733506707
o1 : RR (of precision 53)</pre>
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<tr><td><pre>i2 : BesselY_2 3p200
o2 = -.160400393484923729675768299537980918104012040174378220981908
o2 : RR (of precision 200)</pre>
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<p>See <a href="http://en.wikipedia.org/wiki/Bessel_function">http://en.wikipedia.org/wiki/Bessel_function</a>.</p>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="___Bessel__J.html" title="Bessel function of the first kind">BesselJ</a> -- Bessel function of the first kind</span></li>
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<div class="waystouse"><h2>Ways to use <tt>BesselY</tt> :</h2>
<ul><li>BesselY(ZZ,QQ)</li>
<li>BesselY(ZZ,RR)</li>
<li>BesselY(ZZ,ZZ)</li>
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