Three cases are considered as those shown in Fig. 4: incident waves exist in the medium 1 in cases (a) and (b) but in the medium 2 in case (c).
General relations between various coefficients in case (a) and those in case (c) have been found formally in (4·2). One can obtain any coefficient in case (c) directly by (4·2) from that in case (a).
Formal expressions for all coefficients in cases (a) and (c) have been obtained from which programming for electronic calculations will be derived.