Table A3.

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 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	0.039	0.039	0.039	0.066	0.066	0.066	0.571	0.560	0.549
$g_{\text{Ca}}$	3.889	3.889	3.889	4.002	4.002	4.002	831.907	911.887	913.350
$V_3$	1.971	1.971	1.971	11.825	11.825	11.825	826.608	896.717	822.366
$V_4$	29.533	29.533	29.533	17.071	17.071	17.071	1695.018	1816.501	1813.829
$g_{\text{K}}$	8.050	8.050	8.050	7.923	7.923	7.923	847.999	932.249	885.392
$g_{\text{L}}$	1.928	1.928	1.928	2.027	2.027	2.027	0.024	0.026	0.118
$V_1$	−1.301	−1.301	−1.301	−1.232	−1.232	−1.232	53.706	54.172	53.913
$V_2$	17.600	17.600	17.600	18.004	18.004	18.004	75.855	76.135	76.111