[R] solve equations

[Berend Hasselman]

On 22-01-2013, at 14:20, paladini <paladini at beuth-hochschule.de> wrote:

> Hello !
> I have a rather mathematical than statistical question. I have a formula:  P=R*T/(v-b) -a/(sqrt(T)*V*(V+b)) and I want to solve the equation for V , in terms of V= ..... Is this possible with R or have I to use another program perhaps octave?
> 

Have a look at uniroot.
Since this is a single equation there is probably no need to look at more high powered alternatives such as packages nleqslv or BB.
And since you can rewrite your formula a quadratic you can also solve it  with a simple function.

Berend

> thanking you in anticipation
> 
> Claudia
> 
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