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<B>JACOBIAMPLITUDE</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
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The <em>JacobiAmplitude</em> operator returns the amplitude of u. 
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<em>JacobiAmplitude</em>(&lt;expression&gt;,&lt;integer&gt;) 
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JacobiAmplitude(7.239, 0.427) 

  0.0520978301448978 


JacobiAmplitude(0,0.1) 

  0 

</TT></PRE><P>Amplitude u = asin(<em>Jacobisn(u,m)</em>) 
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