Finite Difference Method for the Reverse Parabolic Problem

Table 1

Error analysis.

Difference schemes	𝑁=𝑀=20	𝑁=𝑀=40	𝑁=𝑀=60
Difference scheme (3.3)	5.693×10^−3	2.865×10^−3	1.914×10^−3
Difference scheme (3.13)	2.390×10^−4	6.408×10^−5	2.901×10^−5

Table 1 is the error analysis between the exact solution and solutions derived by difference schemes.