6
•They determine
e( x, t ) and i( x, t ) from the
initial and the boundary conditions.
•(If we set R and L to zero in
these equations (we assume no series impedance), the simplified equations are
telephonic equations).
(3)
(4)
• Solution of equations (3,4) by
differentiating of equation (3) with respect to x, and combine with equation
(4):