A 3D Finite-Difference BiCG Iterative Solver with the Fourier-Jacobi Preconditioner for the Anisotropic EIT/EEG Forward Problem
Figure 4
Efficiency of different preconditioners for inhomogeneous smooth solutions (an analytical probe function (2)). Number of iterations (a) and runtime in seconds (b) versus a mixed derivative approximation type ((6a)–(6e)) for different resolutions ().
