Table 2: The relationship between the errors on the boundary , and the values of , , and for the cloak shown in Figure 2(b) ( ).

N 123456789101112
120200250320400450500550600700760820
60100170220260330400470540560620680

Err( )1.20869.74812.54882.83452.43151.83316.62961.89404.98208.97601.37254.6240
e−005e−008e−008e−008e−008e−009e−009e−010e−011e−011e−012
Err( )1.41357.88772.33192.64582.51461.95148.92072.49077.25451.33021.93675.5004
e−005e−008e−008e−008e−008e−009e−009e−010e−010e−011e−012