# Definition:BesselPolyIIparam

The LaTeX DLMF and DRMF macro **\BesselPolyIIparam** represents the Bessel polynomial with two-parameters.

This macro is in the category of polynomials.

In math mode, this macro can be called in the following ways:

**\BesselPolyIIparam{n}**produces**Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://vmext-demo.wmflabs.org/v1/":): {\displaystyle {\displaystyle \BesselPolyIIparam{n}}}****\BesselPolyIIparam{n}@{x}{a}{b}**produces**Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://vmext-demo.wmflabs.org/v1/":): {\displaystyle {\displaystyle \BesselPolyIIparam{n}@{x}{a}{b}}}**

These are defined by
**Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://vmext-demo.wmflabs.org/v1/":): {\displaystyle {\displaystyle \BesselPolyIIparam{n}@{x}{a}{b}:=\BesselPoly{n}@{2b^{-1}x}{a} }}**

## Symbols List

**Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://vmext-demo.wmflabs.org/v1/":): {\displaystyle {\displaystyle y_{n}}}**
: Bessel polynomial with two parameters **Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://vmext-demo.wmflabs.org/v1/":): {\displaystyle {\displaystyle y_n}}**
: http://drmf.wmflabs.org/wiki/Definition:BesselPolyIIparam

**Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://vmext-demo.wmflabs.org/v1/":): {\displaystyle {\displaystyle y_{n}}}**
: Bessel polynomial : http://dlmf.nist.gov/18.34#E1