Nothing
# based on uniroot.all function from package rootSolve
# the package is now archived
uniroot.all <- function(
f,
interval,
lower = min(interval),
upper = max(interval),
tol = .Machine$double.eps^0.2,
maxiter = 1000,
trace = 0,
n = 100,
...
) {
xseq <- seq(lower, upper, len = n + 1)
f_xseq <- f(xseq, ...)
out <- xseq[which(f_xseq == 0)]
f_sign <- f_xseq[1:n] * f_xseq[2:(n + 1)]
i_range <- which(f_sign < 0)
for (i in i_range) {
out <- c(
out,
uniroot(f, lower = xseq[i],
upper = xseq[i + 1],
maxiter = maxiter,
tol = tol,
trace = trace,
...)$root
)
}
out
}
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