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[Numerical verification of the analytic solution of electrical potential in a homogeneous conducting sphere in numerical value].

Since the 1980s, the research of non-trauma orientating based on EEG has been developed considerably. Especially, the method of equivalent moving dipole model has been applied to analysis of EEG. In this article, reference to some scholars' work, we deduce the analytic solution of electrical potential in a homogeneous conducting sphere (the positions of multiples are discretional in the sphere model), and then verify its accuracy by some collected data.