https://github.com/cran/pracma
Revision 26e049d70b4a1c237987e260cba68f6a9413736c authored by Hans W. Borchers on 09 April 2019, 04:10:07 UTC, committed by cran-robot on 09 April 2019, 04:10:07 UTC
1 parent bf07673
Tip revision: 26e049d70b4a1c237987e260cba68f6a9413736c authored by Hans W. Borchers on 09 April 2019, 04:10:07 UTC
version 2.2.5
version 2.2.5
Tip revision: 26e049d
piecewise.Rd
\name{piecewise}
\alias{piecewise}
\title{
Piecewise Linear Function
}
\description{
Compute zeros and area of a piecewise linear function.
}
\usage{
piecewise(x, y, abs = FALSE)
}
\arguments{
\item{x, y}{x- and y-coordinates of points defining the piecewise linear function}
\item{abs}{logical; shall the integral or the total area between the
x-axis and the function be calculated}
}
\details{
Compute zeros and integral resp. area of a piecewise linear function
given by points with x and y as coordinates.
}
\value{
Returns a list with the integral or area as first element and the vector
as all zeroes as second.
}
\seealso{
\code{\link{trapz}}
}
\examples{
x <- c(0, 2, 3, 4, 5)
y <- c(2, -2, 0, -2, 0)
piecewise(x, y)
piecewise(x, y, abs=TRUE)
}
\keyword{ math }
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