FNdat | R Documentation |
The classic FN equations model the spike potentials of neurons, where system components V
and R
are the voltage and recovery variables, respectively.
V
and R
are governed by the following differential equations:
\frac{dV}{dt} = c(V-\frac{V^3}{3}+R)
\frac{dR}{dt} = -\frac{1}{c}(V-a+bR)
where \theta = (a,b,c)
are system parameters.
This dataset was generated by first numerically solving these ODEs from t=0
to t=20
, with initial conditions V(0) = -1
and R(0) = 1
and parameters \theta = (0.2, 0.2, 3)
.
The system components were taken to be measured at 28 observation time points (as indicated in time
column) with additive Gaussian noise (standard deviation 0.2).
data(FNdat)
A data frame with 28 rows and 3 columns (time, V
, R
).
FitzHugh, R (1961). Impulses and Physiological States in Theoretical Models of Nerve Membrane. Biophysical Journal, 1(6), 445–466.
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