# Eigenfunctions of an Airy Disk

• A
Gold Member

## Main Question or Discussion Point

Does anyone know if the eigenfunctions of the Airy disk function (or Bessel function) $$\frac{J_1(x)}{x}$$ has a closed form?

## Answers and Replies

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fresh_42
Mentor
From what I have seen on the internet, the answer is probably no. There are many publications and neither mentioned one, only approximations like the first zero and calculation of angles.