Parameters: L1: Primary inductance (default value = 1 Henry) L2: Secondary inductance (default value = 1 Henry) M: Coupling inductance (default value = 1 Henry)
Equations:
Det = L1*L2 - M2
Linv1 = L2/Det
Linv2 = L1/Det
Minv = -M/Det
der(f1) = Linv1*e1 + Minv*e2
der(f2) = Minv*e1 + Linv2*e2