[R] Second order bessel function

[Chris Vanlangenberg]

Hi all,

I want to compute the numerical values for modified second order bessel
function given x and other parameters, currently base R has a bessel
function for 1st order and I have tried to use the relationship between 1st
and 2nd order to compute the 2nd order bessel function, but I ended up
getting a zero.

Any suggestions how to proceed on this? or any alternative methods?

-- 
Regards,
Chris Vanlangenberg

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