# Posts Tagged ‘ Food Web ’

## R Tools for Dynamical Systems ~ bifurcation plot in R for system of ODEs

June 12, 2010
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As per request, here is the code that I wrote to draw bifurcation plots in R. Bifurcation diagrams for discrete maps can be done using this code by James Jones. It is a little easier since approximation is not needed. In the following code, I used the deSolve library to draw bifurcation diagrams for a

## R Tools for Dynamical Systems ~ R pplane to draw phase planes

April 5, 2010
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$R Tools for Dynamical Systems ~ R pplane to draw phase planes$

MATLAB has a nice program called pplane that draws phase planes of differential equations models. pplane on MATLAB is an elaborate program with an interactive GUI where you can just type the model to draw the phase planes. The rest you fidget by clicking (to grab the initial conditions) and it draws the dynamics automatically.

$Lotka-Volterra model ~ intro$