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Re: Problem with funktion with four variables

• To: mathgroup at smc.vnet.net
• Subject: [mg31629] Re: Problem with funktion with four variables
• From: "Allan Hayes" <hay at haystack.demon.co.uk>
• Date: Mon, 19 Nov 2001 03:11:10 -0500 (EST)
• References: <9t86er$r6n$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Manuel,

v\_0 is not a symbol.
Two ways out:
1) replacce it with v0
2) symbolize it using the package Notation ( and I found that I had to use
the more explicit  v\_0 :_  instead of  v\_0 _  )

--
Allan
---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565

"Manuel Prinz" <manuel.prinz at t-online.de> wrote in message
news:9t86er$r6n$1 at smc.vnet.net...
> Hello Guys
>
> If I define this
>
> \!\(test[\(v\_0\) _, \ \[Gamma]_, \ H_, \
>       m_] :=
> \((\(\(-m\)*H\)\/\[Gamma]\^2*Cosh[ArcSinh[v\_0*\[Gamma]\/H]] -
>         m\/\[Gamma]*ArcSinh[v\_0*\[Gamma]\/H]*v\_0)\)\)
>
> and then try to calculate test[14,500,100,80] nothing happens!
>
> What could be the problem?
>
>
> Thanks!
>
>
> Manuel (Mathematica 4.0)
>