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+# Quadratic Integrate-and-Fire
+
+$$\tau \frac{d}{dt}u=a\_{0} (u-u\_{rest}) (u-u\_{c})+RI$$
+
+Default parameters: $\tau=10$ ms, $a\_{0}=0.1 mV^{-1}$, $u\_{c} = -55$ mV, $u\_{rest} = -70$ mV, $R=10 M\Omega$, $I=2.2 nA$, firing threshold $u\_{thr}=-40 mV$.