Table 2.
Relation between geometry of the nullclines and functionality
| Sl. | Relation | Function | Relation | Function |
| + | S > ϕ X = 0 > ξ | G- | ξ > S > ϕX = 0 | G+ if Zf > Zi else impossible |
| - | S > ϕX = 0 > ξ | P- | ξ > S > ϕX = 0 | G+ |
| + | ϕX = 0 > ξ > S | G- | ξ > ϕX = 0 > S | P+ |
| - | ϕX = 0 > ξ > S | P- | ξ > ϕX = 0 > S | G+ |
| + | ϕX = 0 > S > ξ | G- | S > ξ > ϕX = 0 | P+ |
| - | ϕX = 0 > S > ξ | G- if Zf <Zi else impossible | S > ξ > ϕX = 0 | G+ |
Possible combinations of nullcline and geometrical elements for the evaluation of the FFL functionality considering αY < 1.