On Second Order of Accuracy Difference Scheme of the Approximate Solution of Nonlocal Elliptic-Parabolic Problems

Table 1

Comparison of the errors.

Method	𝑁=𝑀=20	𝑁=𝑀=30	𝑁=𝑀=60
1st order of accuracy d. s.	0.043541	0.030515	0.015973
2nd order of accuracy d. s	0.000627	0.000283	0.000071