Difference between revisions of "Bessel polynomial in terms of Bessel functions"
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The following formula holds: | The following formula holds: | ||
$$y_n\left( \dfrac{1}{ir} \right) = \left(\dfrac{\pi r}{2} \right)^{\frac{1}{2}} e^{ir} \left[ \dfrac{J_{n +\frac{1}{2}}(r)}{i^{n+1}}+i^nJ_{-n-\frac{1}{2}}(r) \right],$$ | $$y_n\left( \dfrac{1}{ir} \right) = \left(\dfrac{\pi r}{2} \right)^{\frac{1}{2}} e^{ir} \left[ \dfrac{J_{n +\frac{1}{2}}(r)}{i^{n+1}}+i^nJ_{-n-\frac{1}{2}}(r) \right],$$ | ||
− | where $y_n$ denotes a [[Bessel polynomial]] and $J_{\nu}$ denotes | + | where $y_n$ denotes a [[Bessel polynomial]] and $J_{\nu}$ denotes the [[Bessel J]]. |
==Proof== | ==Proof== | ||
==References== | ==References== |
Revision as of 20:11, 9 June 2016
Theorem
The following formula holds: $$y_n\left( \dfrac{1}{ir} \right) = \left(\dfrac{\pi r}{2} \right)^{\frac{1}{2}} e^{ir} \left[ \dfrac{J_{n +\frac{1}{2}}(r)}{i^{n+1}}+i^nJ_{-n-\frac{1}{2}}(r) \right],$$ where $y_n$ denotes a Bessel polynomial and $J_{\nu}$ denotes the Bessel J.