LondonR, 7 September 2011

September 11, 2011 | 0 Comments

On 7 September 2011 I attended the London R user group meeting. It was a very good turn out with about 50 attendees at the Shooting Star, a pub close to Liverpool Street Station. The session started at 18:00 with four presentations, followed by drinks ...
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R Tools for Dynamical Systems ~ R pplane to draw phase planes

April 5, 2010 | 0 Comments

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 ... [Read more...]

Lotka-Volterra model ~ intro

March 30, 2010 | 0 Comments

So many know about the Lotka-Volterra model (i.e. the predator-prey model) in ecology. This model portrays two species, the predator (y) and the prey (x), interacting each other in limited space. The prey grows at a linear rate () and gets eaten by the predator at the rate of (). The ... [Read more...]

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