Difference between revisions of "User:Tohline/Math/EQ PminusHalf01"

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</td>  
</td>  
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<math>~P_{-1 / 2}(z)</math>
<math>~P_{-\frac{1}{2}}(z)</math>
   </td>
   </td>
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   <td align="center">
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   <td align="right">
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<math>~P_{-1 / 2}(\cosh\eta)</math>
<math>~P_{-\frac{1}{2}}(\cosh\eta)</math>
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   <td align="center">
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<math>~
<math>~
\biggl[ \frac{\pi}{2} ~ \cosh \frac{\eta}{2} \biggr]^{-1} K\biggl( \tanh \frac{\eta}{2} \biggr)
\biggl[ \frac{\pi}{2} \cdot \cosh \frac{\eta}{2} \biggr]^{-1} K\biggl( \tanh \frac{\eta}{2} \biggr)
</math>
</math>
   </td>
   </td>

Revision as of 18:30, 14 June 2018

LSU Key.png

<math>~P_{-\frac{1}{2}}(z)</math>

<math>~=</math>

<math>~ \frac{2}{\pi} \biggl[\frac{2}{z+1}\biggr]^{1 / 2} ~K\biggl( \sqrt{ \frac{z-1}{z+1}} \biggr) </math>

      for example …

<math>~P_{-\frac{1}{2}}(\cosh\eta)</math>

<math>~=</math>

<math>~ \biggl[ \frac{\pi}{2} \cdot \cosh \frac{\eta}{2} \biggr]^{-1} K\biggl( \tanh \frac{\eta}{2} \biggr) </math>

Abramowitz & Stegun (1995), p. 337, eq. (8.13.1)

Abramowitz & Stegun (1995), p. 337, eq. (8.13.2)