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An alias of besselI(x, nu=p, expon.scaled = FALSE) used for compatibility with old version package code.
I.p(p, x)
positive integer order of the Bessel function.
non-negative numerical value at which to evaluate the Bessel function.
Returns the p-th order Bessel function of the first kind, evaluated at a specified real number.
The use of this function is deprecated. Please use besselI.
besselI
besselI.