Number of basis functions (n) used in the transient approximation function

Maximum absolute error in approximating the initial condition

Maximum relative error in approximating

the initial condition

2

2.4894

3.0213

4

0.3619

0.7950

8

0.0840

0.2509

16

0.0218

0.0627

32

0.0070

0.0152

64

0.0051

0.0092