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Re: Resolve a function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg89721] Re: Resolve a function
  • From: dh <dh at metrohm.ch>
  • Date: Thu, 19 Jun 2008 05:41:21 -0400 (EDT)
  • References: <g3agrf$pm7$1@smc.vnet.net>


Hi Maria,

try:

Solve[f==14.4*((2/Sqrt[r^2+R^2])-1/r),r]

what will give a pretty ugly formula.

hope this helps, Daniel



maria wrote:

> Dear all,

> I am new with mathematica. I would be grateful if someone could tell

> me how can I find  the general solutions of the r for the following

> function f(r_) = 14.4* ((2/Sqrt[r^2 + R^2]) - 1/r )  (where

> R=constant). I just want to express the function as r =.....*f. Is

> this possible with mathematica.

> Thank you.

> 





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Daniel Huber

Metrohm Ltd.

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CH-9100 Herisau

Tel. +41 71 353 8585, Fax +41 71 353 8907

E-Mail:<mailto:dh at metrohm.com>

Internet:<http://www.metrohm.com>




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