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