We set error tolerance due to initial and boundary conditions are mentioned in scheme 01

Locations

${\xi }_i$

${\xi }_j$

$Erro{r}_{Tol}$

(0.1, 0.1)

0.0073

0.00031

1e−7

(0.5, 0.5)

0.00727

0.000316

e−7

(1.5, 1.2)

0.0041

0.00019

e−7

(2, 1.5)

0.0341

0.0027

e−7