Re: Unevaluated hypergeometric functions
- To: mathgroup at smc.vnet.net
- Subject: [mg80887] Re: Unevaluated hypergeometric functions
- From: "Jerry Helffrich" <jhelffrich at gmail.com>
- Date: Wed, 5 Sep 2007 02:43:46 -0400 (EDT)
- References: <fbj30v$nl1$1@smc.vnet.net> <46DD390A.4040009@gmail.com>
But I am using a defined function in Mathematica. It has a name:
Hypergeometric2F1[a, b, c, z]
and I gave it real numbers for all the arguments except z, then asked
it to be plotted as a function of z from 1/2 to 1.
On 9/4/07, Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com> wrote:
> jahman wrote:
>
> > I am trying to plot an expression that is a sum of Hypergeometric
> > functions 2F1(1,b,2;z). When I enter the plot command with my power
> > series as the argument, I get a blank plot with no errors indicated.
> > I'm new to Mathematica, so can you tell me what it means?
>
> Usually, Mathematica returns a syntacticly correct expression
> unevaluated when it does not know what to do with it. Plot will return
> some pair of axes. For instance, if one evaluate the following
> expressions, f[x] is a function without any definition and Plot just
> draws a pair of axes.
>
> ClearAll[f] (* To be sure that f will not be defined. *)
> Plot[f[x], {x, 0, 10}]
>
> --
> Jean-Marc
>
--
Jerome Helffrich