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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/DFOP.solution.R
\name{DFOP.solution}
\alias{DFOP.solution}
\title{Double First-Order in Parallel kinetics}
\usage{
DFOP.solution(t, parent.0, k1, k2, g)
}
\arguments{
\item{t}{Time.}
\item{parent.0}{Starting value for the response variable at time zero.}
\item{k1}{First kinetic constant.}
\item{k2}{Second kinetic constant.}
\item{g}{Fraction of the starting value declining according to the first
kinetic constant.}
}
\value{
The value of the response variable at time \code{t}.
}
\description{
Function describing decline from a defined starting value using the sum of
two exponential decline functions.
}
\examples{
plot(function(x) DFOP.solution(x, 100, 5, 0.5, 0.3), 0, 4, ylim = c(0,100))
}
\references{
FOCUS (2006) \dQuote{Guidance Document on Estimating Persistence
and Degradation Kinetics from Environmental Fate Studies on Pesticides in
EU Registration} Report of the FOCUS Work Group on Degradation Kinetics,
EC Document Reference Sanco/10058/2005 version 2.0, 434 pp,
\url{http://esdac.jrc.ec.europa.eu/projects/degradation-kinetics}
}
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