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Table 1 The error estimation between the exact and regularized source functions for \(\alpha \in \{0.1, 0.3, 0.5, 0.7, 0.9\}\) and \(\mathrm{x} \in (0,\pi )\)

From: Recovering the space source term for the fractional-diffusion equation with Caputo–Fabrizio derivative

α M = N = 50, N(k)=10, n = 5, c = 1, χ = 3/4
ε 0.1 0.01 0.001
0.1   0.625292032114638 0.087100745983566 2.43525380437e − 04
0.3   0.421470519953221 0.001482709063832 1.27369718370e − 04
0.5   0.013836342900140 0.001320217219321 1.44739318526e − 04
0.7   0.030298174314198 0.002973010099701 3.39046203147e − 04
0.9   0.16883894823ee − 04 0.015674145530483 8.98583008912e − 04
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