https://github.com/cran/pracma
Raw File
Tip revision: 63f12837f2d7d6d30cdc2b2df60efdef228d8d0f authored by HwB on 10 May 2011, 00:00:00 UTC
version 0.4-0
Tip revision: 63f1283
humps.R
##
##  h u m p s . R  Matlab Test Function
##


humps <- function(x) {
    if (missing(x))
        x <- seq(0.0, 1.0, by=0.05)

    stopifnot(is.numeric(x))

    1/((x-0.3)^2 + 0.01) + 1/((x-0.9)^2 + 0.04) - 6
}

sinc <- function(x) {
    stopifnot(is.numeric(x))

    sin(pi * x) / (pi * x)
}
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