Figure 6
From: OpenMEEG: opensource software for quasistatic bioelectromagnetics

Accuracy comparison for MEG using random meshes with fixed number of vertices and non-radial magnetometers. Forward MEG: RDM and MAG boxplots obtained on 100 random sphere models (1 and 3-layers) using non-radial magnetometers. Each layer contains 600 or 800 random vertices.