View source: R/parent_solutions.R
HS.solution  R Documentation 
Function describing two exponential decline functions with a break point between them.
HS.solution(t, parent_0, k1, k2, tb)
t 
Time. 
parent_0 
Starting value for the response variable at time zero. 
k1 
First kinetic constant. 
k2 
Second kinetic constant. 
tb 
Break point. Before this time, exponential decline according to

The value of the response variable at time t
.
FOCUS (2006) “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, http://esdac.jrc.ec.europa.eu/projects/degradationkinetics FOCUS (2014) “Generic guidance for Estimating Persistence and Degradation Kinetics from Environmental Fate Studies on Pesticides in EU Registration” Report of the FOCUS Work Group on Degradation Kinetics, Version 1.1, 18 December 2014 http://esdac.jrc.ec.europa.eu/projects/degradationkinetics
Other parent solutions:
DFOP.solution()
,
FOMC.solution()
,
IORE.solution()
,
SFO.solution()
,
SFORB.solution()
,
logistic.solution()
plot(function(x) HS.solution(x, 100, 2, 0.3, 0.5), 0, 2, ylim=c(0,100))
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