A novel high accuracy finite-difference time-domain method

Earth, Planets and Space

Table 1 Sets of optimal coefficients for scheme 1 in two dimensions

C	\(\alpha _{1}\)	\(\alpha _{2}\)	C	\(\alpha _{1}\)	\(\alpha _{2}\)
0.50	\(-\)0.10858	0.0911	0.76	\(-\)0.00714	0.10943
0.51	\(-\)0.10124	0.09094	0.77	\(-\)0.00515	0.10989
0.52	\(-\)0.09433	0.09081	0.78	\(-\)0.00315	0.11006
0.53	\(-\)0.0878	0.09068	0.79	\(-\)0.00115	0.10997
0.54	\(-\)0.08165	0.09059	0.80	0.00083	0.10965
0.55	\(-\)0.07583	0.09052	0.81	0.00284	0.10909
0.56	\(-\)0.07032	0.09045	0.82	0.00483	0.10834
0.57	\(-\)0.06511	0.09043	0.83	0.00682	0.10741
0.58	\(-\)0.06018	0.09043	0.84	0.00881	0.10631
0.59	\(-\)0.0555	0.09045	0.85	0.01079	0.10506
0.60	\(-\)0.05106	0.0905	0.86	0.01277	0.10367
0.61	\(-\)0.04686	0.0906	0.87	0.01475	0.10215
0.62	\(-\)0.04287	0.09074	0.88	0.01674	0.1005
0.63	\(-\)0.03908	0.09093	0.89	0.01873	0.09874
0.64	\(-\)0.0355	0.09119	0.90	0.02074	0.09686
0.65	\(-\)0.0321	0.09152	0.91	0.02277	0.09486
0.66	\(-\)0.02889	0.09196	0.92	0.02484	0.09274
0.67	\(-\)0.02588	0.09258	0.93	0.02696	0.0905
0.68	\(-\)0.02307	0.09345	0.94	0.02919	0.08807
0.69	\(-\)0.02057	0.09513	0.95	0.03162	0.08541
0.70	\(-\)0.01873	0.09864	0.96	0.03394	0.08277
0.71	\(-\)0.0168	0.10159	0.97	0.03609	0.08023
0.72	\(-\)0.0149	0.10402	0.98	0.0381	0.0778
0.73	\(-\)0.01304	0.10598	0.99	0.03996	0.07547
0.74	\(-\)0.01108	0.1075	1.00	0.04169	0.07322
0.75	\(-\)0.00911	0.10864