Difference between revisions of "User:Tohline/Math/EQ PplusHalf01"

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Revision as of 23:02, 13 June 2018

LSU Key.png

<math>~P_{+ 1 / 2}(z)</math>

<math>~=</math>

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

      for example …

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

<math>~=</math>

<math>~ \frac{2}{\pi}~e^{\eta/2}~ E( \sqrt{1-e^{-2\eta}} ) </math>

Abramowitz & Stegun (1995), p. 334, eq. (8.13.5)

Abramowitz & Stegun (1995), p. 334, eq. (8.13.6)