Signed-off-by: David Rotermund <54365609+davrot@users.noreply.github.com>
C \frac{dV}{dt} = -g_{\rm leak}(V-V_{\rm rest})+I
Default parameters: C=1 nF, g\_{leak}=1/(10 M\Omega), V\_{\rm rest} = -70 mV, I=2.2 nA, firing threshold V\_{thr}=-50 mV.
C=1
g\_{leak}=1/(10 M\Omega)
V\_{\rm rest} = -70
I=2.2
V\_{thr}=-50
