t

x

Exact

RPA

RTA

AE [Present]

0.01

1/6

0.162611

0.162611

0.162611

1.02E−10

2/6

0.320715

0.320715

0.320715

1.01E−10

3/6

0.469932

0.469932

0.469932

1.01E−11

4/6

0.606125

0.606125

0.606125

2.06E−11

5/6

0.725520

0.725520

0.725520

1.12E−10

1

0.824808

0.824808

0.824808

1.15E−10