R: P-th Order Bessel Function of the First Kind

I.p {circular} | R Documentation

## P-th Order Bessel Function of the First Kind

### Description

An alias of `besselI(x, nu=p)`.

### Usage

    I.p(p, x)

### Arguments

`p` | positive integer order of the Bessel function.
`x` | non-negative numerical value at which to evaluate the Bessel function.

### Value

Returns the p-th order Bessel function of the first kind, evaluated at a specified real number.

### See Also

`besselI`.

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