x

t

Numerical solution

Exact solution

Absolute errors

Rational interpolation

Absolute errors

Lagrange interpolation

0.5000

0.5661

0.1819

0.1819

1.5702E−11

4.72800E−11

0.6545

1.0000

0.2545

0.2545

1.4067E−11

3.0668E−10

0.9567

2.0000

0.0013

0.0013

2.2005E−09

1.6833E−08