A Crank-Nicolson Difference Scheme for Solving a Type of Variable Coefficient Delay Partial Differential Equations

Table 2

Maximum norm errors of (41) with different step sizes.

ℎ	𝜏	𝐸∞(ℎ,𝜏)	𝐸∞(ℎ,𝜏)/𝐸∞(ℎ/2,𝜏/2)
1/10	1/10	1.138𝑒−004	*
1/20	1/20	2.872𝑒−005	3.962
1/40	1/40	7.182𝑒−006	3.999
1/80	1/80	1.796𝑒−006	4.000
1/160	1/160	4.489𝑒−007	4.000