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michael
2012 Oct 14
1
Finding root of quadratic equation
Dear R Helpers, I need to find the root of following equationy=x^2+3*x-1 by
substitution a random number from less to more in the certain segment.I had
tried using this codef <- function (x) x^2+x-12str(xmin <- uniroot(f, c(2,
4), tol = 0.0001)) but $ f.root : num -7.85e-07not 0, and so I'm not
shure it's right code and satisfactory answer. Please guide. sveta
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