Table 1: The relationship between the errors on the boundary , and the values of , , and for the cloak shown in Figure 2(a) ( ).

N 123456789101112
120200250320400450500550600700760820
60100170220260330400470540560620680

Err 2.57289.35721.39641.01824.63841.75001.18272.42388.36502.85601.52473.0913
e−005e−006e−005e−007e−007e−009e−008e−009e−012 e−013 e−012 e−013
Err 3.16991.17291.77951.24996.49172.41672.61404.70269.86103.78502.19484.0417
e−005 e−005 e−005 e−007 e−007 e−009 e−008 e−009 e−012 e−013 e−012 e−013