I have the following pdf distribution:
$$f(x)=\frac{2b}{\Gamma(\nu)}\left(\frac{bx}{2}\right)K_{\nu-1}(bx)$$ where: $b$ and $\nu$ are constant and $K_{\nu-1}(.)$ is the modified Bessel function of the second kind. I need to get samples distribuited starting from this pdf. Thanks