Re: [R] applying uniroot function to each element in vector

From: David Winsemius <dwinsemius_at_comcast.net>
Date: Wed, 27 Apr 2011 14:12:26 -0400

On Apr 27, 2011, at 11:54 AM, Dale wrote:

> If I have a vector of n elements, e.g. a vector of length 4 with
> elements 10,
> 20, 30, 40 and want to find the different values of x such that
> x^2=10,
> x^2=20, x^30 and x^2=40, how could I do this in R? I'm thinking of
> using the
> uniroot function, but am finding difficult applying it to a vector.
> Thanks

I find myself scratching my head wondering why the answer is not:

y=c(10,20,30,40)
x=sqrt(y)
x

>
> --
> View this message in context: http://r.789695.n4.nabble.com/applying-uniroot-function-to-each-element-in-vector-tp3478573p3478573.html
> Sent from the R help mailing list archive at Nabble.com.
>
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David Winsemius, MD
West Hartford, CT



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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. Received on Wed 27 Apr 2011 - 18:18:53 GMT

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