S

Exact $u\left(s\right)=s$

Error LDM [18]

(N = 2)

Error HAM

(N = 2)

Error HAM

(N = 5)

0

0

0

0

0

0.2

0.2

0.011771

0.000260

5.08 * 10⁻⁷

0.4

0.4

0.047083

0.000520

1.01 * 10⁻⁶

0.6

0.6

0.105938

0.000781

1.52 * 10⁻⁶

0.8

0.8

0.188333

0.001041

2.03 * 10⁻⁶

1

1

0.294271

0.001302

2.54 * 10⁻⁶