File r37/lisp/csl/html/r37_0507.html artifact d78657fc9f part of check-in a57e59ec0d

<A NAME=SphericalHarmonicY>

<TITLE>SphericalHarmonicY</TITLE></A>
<b><a href=r37_idx.html>INDEX</a></b><p><p>



<B>SPHERICALHARMONICY</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
<P>
 
 <P>
<P>
The <em>SphericalHarmonicY</em> operator computes Spherical harmonic (Laplace) 
polynomials. These are special cases of the 
solid harmonic polynomials, 
<A HREF=r37_0506.html>SolidHarmonicY</A>. 
<P>
<P>
 <P> <H3> 
syntax: </H3>
<em>SphericalHarmonicY</em>(&lt;integer&gt;,&lt;integer&gt;, 
&lt;expression&gt;,&lt;expression&gt;) 
<P>
<P>
<P>
<P>
 <P> <H3> 
examples: </H3>
<P><PRE><TT>
SphericalHarmonicY(3,2,theta,phi); 


                                 2          2                               2
  sqrt(105)*cos(theta)*sin(theta) *(cos(phi) +2*cos(phi)*sin(phi)*i-sin(phi) )
  -----------------------------------------------------------------------------
                               4*sqrt(pi)*sqrt(2)

</TT></PRE><P>