Comprehensive Interpretation of a Three-Point Gauss Quadrature with Variable Sampling Points and Its Application to Integration for Discrete Data

Table 6

𝑎−3	𝑎−2	𝑎−1	𝑎0	𝑎1	𝑎2	𝑎3
16.32/12960	−241.92/12960	5140.80/12960	16089.60/12960	5140.80/12960	−241.92/12960	16.32/12960
0.0012592593	−0.018666667	0.39666667	1.2414815	0.39666667	−0.018666667	0.0012592593