[[Image:Info_icon.png|40px]] Click here to learn more about the theory of '''[[Modeling_Lumped_Elements,_Circuits_%26_Devices_in_EM.Cube#2D_Quasi-Static_Solution_of_TEM_Line_Structures| 2D Quasi-Static Analysis of Transmission Lines]]'''.
[[Image:Info_icon.png|40px]] Click here to learn more about the theory of '''[[Modeling_Lumped_Elements,_Circuits_%26_Devices_in_EM.Cube#Using_EM.Ferma_to_Simulate_2D_Transmission_Lines | Modeling Transmission Lines Using EM.Ferma]]'''.
The quantities ε<sub>eff</sub> and Z<sub>0</sub> are two of EM.Ferma's standard output [[parameters]]. You can use them to optimize a transmission line structure. Two possible objectives are "Z<sub>0</sub> == 50" or "sqrt(ε<sub>eff</sub>) == 1.5".