A Numerical Method of High Accuracy for Linear Parabolic Partial Differential Equations

Table 1

Observed errors and orders of accuracy by QSC-TG for system (4.1) with 𝑝=1, for several values of 𝐽, where Δ𝑡=1/1024.

𝐽	Error	Order	𝐽	Error	Order
8	8.62𝑒−005	—	64	6.91𝑒−009	4.05
16	2.25𝑒−006	5.26	128	4.30𝑒−010	4.01
32	1.14𝑒−007	4.30	256	2.76𝑒−011	3.96