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phaseR (version 2.0)

Phase Plane Analysis of One and Two Dimensional Autonomous ODE Systems

Description

Performs a qualitative analysis of one and two dimensional autonomous ODE systems, using phase plane methods. Programs are available to identify and classify equilibrium points, plot the direction field, and plot trajectories for multiple initial conditions. In the one dimensional case, a program is also available to plot the phase portrait. Whilst in the two dimensional case, programs are additionally available to plot nullclines and stable/unstable manifolds of saddle points. Many example systems are provided for the user.

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Install

install.packages('phaseR')

Monthly Downloads

26

Version

2.0

License

GPL-3

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Maintainer

Michael Grayling

Last Published

August 20th, 2018

Functions in phaseR (2.0)

example13

Example ODE System 13
morrisLecar

The Morris-Lecar Model
nullclines

Nullclines
simplePendulum

The Simple Pendulum Model
stability

Stability Analysis
example1

Example ODE System 1
SIR

The SIR Epidemic Model
competition

The Species Competition Model
example3

Example ODE System 3
example10

Example ODE System 10
example9

Example ODE System 9
example4

Example ODE System 4
numericalSolution

Numerical Solution and Plotting
vanDerPol

The Van Der Pol Oscillator
phasePlaneAnalysis

Phase Plane Analysis
exponential

The Exponential Growth Model
lindemannMechanism

The Lindemann Mechanism
logistic

The Logistic Growth Model
toggle

The Genetic Toggle Switch Model
vonBertalanffy

The von Bertalanffy Growth Model
.paramDummy

Just a function so we can apply DRY in param documentation
trajectory

Phase Plane Trajectory Plotting
drawManifolds

Stable and Unstable Manifolds
example7

Example ODE System 7
example8

Example ODE System 8
example11

Example ODE System 11
findEquilibrium

Equilibrium Point Identification
flowField

Flow Field
example12

Example ODE System 12
example15

Example ODE System 15
example2

Example ODE System 2
lotkaVolterra

The Lotka Volterra Model
monomolecular

The Monomolecular Growth Model
phasePortrait

Phase Portrait Plot
phaseR-package

Phase Plane Analysis of One and Two Dimensional Autonomous ODE Systems
example14

Example ODE System 14
example5

Example ODE System 5
example6

Example ODE System 6