Parameter	% change in parameter values	$T^{*}$	$p^{*}$	$ϕ^{*} (T, p)$
a	−50	No convergence	No convergence	-
	−20	No convergence	No convergence	-
	+20	1.609	2.418 × 10⁴	1.214 × 10⁻⁶
	+50	1.612	2.263 × 10⁴	1.546 × 10⁻⁶
b	−50	No convergence	No convergence	-
	−20	No convergence	No convergence	-
	+20	1.611	2.055 × 10⁴	2.190 × 10⁻⁶
	+50	1.620	1.793 × 10⁴	3.604 × 10⁻⁶
α	−50	No convergence	No convergence	-
	−20	No convergence	No convergence	-
	+20	1.548	3.763 × 10⁴	2.763 × 10⁻⁷
	+50	−1.095	5.469 × 10⁴	-
β	−50	No convergence	No convergence	-
	−20	No convergence	No convergence	-
	+20	1.744	4.414 × 10⁸	0.000
	+50	No convergence	No convergence	-
c₁	−50	No convergence	No convergence	-
	−20	No convergence	No convergence	-
	+20	−1.192	2.393 × 10⁵	-
	+50	No convergence	No convergence	-
c₂	−50	No convergence	No convergence	-
	−20	1.594	5.395 × 10⁴	6.599 × 10⁻⁸
	+20	1.553	3.134 × 10⁴	4.622 × 10⁻⁷
	+50	1.41	3.189 × 10⁴	4.034 × 10⁻⁷
c₃	−50	1.612	6.933 × 10⁴	1.346 × 10⁻⁸
	−20	1.6	3.121 × 10⁴	3.844 × 10⁻⁷
	+20	1.494	2.616 × 10⁴	1.035 × 10⁻⁶
	+50	1.495	2.512 × 10⁴	1.499 × 10⁻⁶