Revision 04bbc417cf2927b827660bc07743429783569aec authored by HwB on 10 February 2013, 00:00:00 UTC, committed by Gabor Csardi on 10 February 2013, 00:00:00 UTC
1 parent 0e3ae6b
polyder.Rd
\name{polyder}
\alias{polyder}
\title{Derivative of Polynomial}
\description{
Differentiate polynomials.
}
\usage{
polyder(p, q)
}
\arguments{
\item{p}{polynomial \code{p} given as a vector}
\item{q}{polynomial \code{p} given as a vector}
}
\details{
Calculates the derivative of polynomials and polynomial products.
\code{polyder(p)} returns the derivative of \code{p} while
\code{polyder(p, q)} returns the derivative of the product of the
polynomials \code{p} and \code{q}.
}
\value{
a vector representing a polynomial
}
\seealso{
\code{\link{polyval}}, \code{\link{polyint}}
}
\examples{
polyder(c(3, 6, 9), c(1, 2, 0)) # 12 36 42 18
}
\keyword{ math }
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