Cubic Spline Iterative Method for Poisson’s Equation in Cylindrical Polar Coordinates

Table 3

Example 4.2: The maximum absolute errors.

(h, k)	Proposed 𝑂(𝑘^2+ℎ^4) method	𝑂(𝑘^2+ℎ^2) method
210,110	0.3986𝐸−03	0.1133𝐸−02
410,210	0.1089𝐸−03	0.3003𝐸−03
210,410	0.4117𝐸−03	0.1132𝐸−02
810,410	0.2893𝐸−04	0.7836𝐸−04
410,810	0.1116𝐸−03	0.2984𝐸−03