# Definition:JacksonqBesselII

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The LaTeX DLMF and DRMF macro \JacksonqBesselII represents the Jackson ${\displaystyle{\displaystyle q}}$-Bessel function 2.

This macro is in the category of real or complex valued functions.

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

\JacksonqBesselII{\nu} produces ${\displaystyle{\displaystyle{\displaystyle J^{(2)}_{\nu}}}}$
\JacksonqBesselII{\nu}@{z}{q} produces ${\displaystyle{\displaystyle{\displaystyle J^{(2)}_{\nu}\!\left(z;q\right)}}}$

These are defined by