3.3.3. CircSrc_SWE_RadialInt.m

Calculate the integral involved in the radial component for the ultrasound when using the SWE.

The integral is

(3.3.3)\[\int_{r_1}^{r_2} u(r_\mathrm{s}/a) \mathrm{j}_n(kr_{\mathrm{s,<}}) \mathrm{h}_n(kr_{\mathrm{s,>}}) k^2 r_\mathrm{s} \mathrm{d} r_\mathrm{s}\]