Re: What is QGamma[q,z]

• To: mathgroup at smc.vnet.net
• Subject: [mg95547] Re: What is QGamma[q,z]
• From: Michael Weyrauch <michael.weyrauch at gmx.de>
• Date: Wed, 21 Jan 2009 06:46:35 -0500 (EST)
• References: <gl4a3d\$gd9\$1@smc.vnet.net>

```Hello,

well, I would suggest that you read the articles

http://mathworld.wolfram.com/q-Analog.html
http://en.wikipedia.org/wiki/Q-analog

which gives you definitions and applications of these generalizations
of well known function. Maybe easiest to understand is the Q exponential
as a generalization of the standard exponential

http://en.wikipedia.org/wiki/Q-exponential

In principle, the definitions of these Q functions is given perfectly in
the Mathematica documentation. However, it appears a standard difficulty
of such a documentation, that it cannot teach you the mathematical
background or give an overview of applications. Otherwise it would get
just too vast. So, I agree that for the uninitiated some Mathematica
functions may appear to be completely mysterious at first (or even
second) sight and even after carefully reading the documentation. I do
not see how this could be avoided. Maybe there should be a referenz
section with links into the (internet) literture. But this is not new to
Mathematica 6 or 7. Even old stuff, like LUDecomposition[] for example,
cannot be understood from the Mathematica documentation alone. One has
to go to a good book or so.

Michael

Ted Ersek schrieb:
> Q function are new in Mathematica 7.
> What applications are there for these things?
> Also I can't understand the definition of these things because the
> Mathematica documentation uses notation I never herd of.
> Could sombody explain the definition of  QGamma[q,z]  in terms of
> functions I am likely to know about.
>
> Thanks,
>     Ted Ersek
>
>

```

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