I want to know whether the following equation about Hankle function is true.

I have seen an equation about Hankle function,but I don't know why?$(\frac{\partial^2 }{\partial r^2}+\frac{1}{r}\frac{\partial}{\partial r}+\beta )H^{(1)}_{0}(\sqrt{\beta}...

01 January 2016 4,139 5 View