Table A2.

4D-Var parameter estimates at the end of the optimization for each bifurcation regime. The loose parameter bounds in Table A1 were used for these trials. Hessian information was not provided to the optimizer

	t:HOPF			t:SNIC			t:HOMO
	g:HOPF	g:SNIC	g:HOMO	g:HOPF	g:SNIC	g:HOMO	g:HOPF	g:SNIC	g:HOMO
ϕ	0.040	0.041	0.040	0.066	0.067	0.066	0.406	0.225	0.229
$g_{\text{Ca}}$	4.011	3.959	3.989	4.016	4.035	4.040	8.623	3.992	3.983
$V_3$	2.210	13.479	6.284	12.497	12.176	12.102	7.453	14.333	12.197
$V_4$	29.917	37.854	32.748	17.589	17.342	16.998	27.569	18.593	17.464
$g_{\text{K}}$	8.046	10.857	8.989	8.192	8.057	8.021	9.543	9.213	8.092
$g_{\text{L}}$	2.026	1.806	1.959	2.009	2.038	2.067	3.029	1.960	1.990
$V_1$	−1.222	−1.188	−1.208	−1.171	−1.165	−1.188	2.604	−1.198	−1.212
$V_2$	18.030	17.921	17.979	18.087	18.126	18.148	24.260	18.089	17.985