A Method for Fast Generating the VIE-MoM Matrix with the SWG Functions

Table 2

The relative error changing with the algebraic degree.

Algebraic degree	1	2	3	4	5	6
Number of points	1 (midpoint formula)	4	8	14	14	24
Relative error	1.61721𝑒−1	2.32651𝑒−2	2.11931𝑒−2	1.82897𝑒−2	9.42591𝑒−3	4.78024𝑒−3