Advances in Continuous and Discrete Models

Theory and Modern Applications

Table 1 Weights of the selected spatial finite difference stencils

From: Numerical anisotropy in finite differencing

Stencil	\(\boldsymbol {\alpha_{1}}\)	\(\boldsymbol {\alpha_{2}}\)	\(\boldsymbol {a_{1}}\)	\(\boldsymbol {a_{2}}\)	\(\boldsymbol {a_{3}}\)
E2	0	0	1/2	0	0
E4	0	0	2/3	−1/12	0
E6	0	0	3/4	−3/20	1/60
DRP	0	0	0.770882380	−0.166705904	0.020843142
C4	1/4	0	3/4	0	0
Haras	0.3534620	0	1.5669657/2	0.13995831/4	0
Lui	0.5381301	0.0666331	1.36757772/2	0.823428170/4	0.0185207834/6
Lele	0.5771439	0.0896406	1.3025166/2	0.99355/4	0.03750245/6

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