Hello,
I have come across the following equation and want to know what the notation means exactly:
\frac{-2 \pi \gamma}{\sigma} \frac{[ber_2(\gamma)ber'(\gamma) + bei_2(\gamma)bei'(\gamma)]}{[ber^2(\gamma) + bei_2(\gamma)]}
Now, I know ber is related to bessel functions. For example, I...