> Hi there,
> I have a complex math equation which does not have a closed form solution.
> It is -
> y <- (p*exp(-a*d)*(1-exp((d-p)*(a-x))))/((p-d)*(1-exp(-p*(a-x))))
> For this equation, I have all the values except for x. So I need to solve
> this problem numerically. Can anyone suggest an optimization package that I
> can use to estimate the value for x?
> Thanks in advance,
> [[alternative HTML version deleted]]
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> https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code.
Google for "R optimization".
Paul Hiemstra, Ph.D.
Global Climate Division
Royal Netherlands Meteorological Institute (KNMI)
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