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On 20 Sep 2022, at 10:17, Borjan Milinkovic <borjan.m...@gmail.com> wrote:
Is there a way I can plot the phase plane of two coupled oscillators using TVB?
I tend to see oscillatory signals that are dampened by the coupling and masked with the additive noise, but still present around the fixed points of -4, and 4 (limit cycles around the given points) at a low amplitude.Like you mention, it would be useful to plot these two coupled oscillators on a phase plane, so if that is possible at all with TVB that would be great! I now only know how to plot a single neural mass model on a phase plane.
Regarding interpretation: I'm aware it is a phenomenological model, but can the units be interpreted as anything, or should one not try to interpret this at all. i.e. is there anything to be said if our oscillations are centred around -2 or 5, for example? Should one then just z-score these, as they only represent the value of the fixed point, or centring of the limit cycle.
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hi,
I don't have any example code for this, but it should be straightfoward: setup a grid in 3 dimensions, evaluate one or more metrics on a simulation for each point in the grid, and then use a contour plot from VTK or similar to visualize the surfaces.
cheers,
Marmaduke
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