verhulst.model: The Verhulst (logistic) model - calculate daily values over...

In ZeBook: Working with Dynamic Models for Agriculture and Environment

Description

The Verhulst (logistic) model - calculate daily values over designated time period

Usage

verhulst.model(a, k, Y0, duration)

Arguments

a	: growth rate
k	: capacity
Y0	: initial condition
duration	: duration of simulation

Value

data.frame with daily Y

See Also

verhulst.update for the update function of the Verhulst model.

Examples

plot(verhulst.model(0.08,100,1,100), type="l", ylim=c(0,115),
   xlab="day", ylab="Y, population density",lwd=2)

Example output

Loading required package: triangle
Loading required package: deSolve

ZeBook documentation built on May 1, 2019, 9:48 p.m.