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MathGroup Archive 2001

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Re: definition of function with several varyables?????

  • To: mathgroup at smc.vnet.net
  • Subject: [mg30077] Re: definition of function with several varyables?????
  • From: "Orestis Vantzos" <atelesforos at hotmail.com>
  • Date: Fri, 27 Jul 2001 03:52:15 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

You forgot the underscore after zs...classical mistake ;-)

Orestis

"Alexei Kharine" <A.Kharine at tn.utwente.nl> wrote in message
news:9jo9qi$17l$1 at smc.vnet.net...
> Dear.....
> could you help me with solving of one problem which seems to be very easy,
> but I could not find answer.
>
>  r[x_,y_,xs_,ys_,zs]:=((x-xs)^2+(y-ys)^2+zs^2)^0.5;
> Print["r="," ",N[r[0,0,0,0,2]]];
>
> after calculation:
> out[]= r = r[0.,0.,0.,0.,2.]
>
> where is error???
> and how to get numerical answer??
>
>
>




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