Numerical Solution of the Inverse Problem of Determining an Unknown Source Term in a Heat Equation

Table 1

Maximum absolute errors of 𝑓_𝑛 and 𝑢_𝑛 with exact input data for Example 4.1.

	𝑛=5	𝑛=8	𝑛=15	𝑛=20	𝑛=25
𝑓𝑛	0	0	0	0	0
𝑢𝑛	2.0×10^−2	2.0×10^−4	1.0×10^−10	4.0×10^−15	2.0×10^−16