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. Author manuscript; available in PMC: 2010 May 4.
Published in final edited form as: J Comput Electron. 2009 Jun 1;8(2):98–109. doi: 10.1007/s10825-009-0272-4

Fig. 12.

Fig. 12

Box integration for a two-dimensional tensor product grid. The integration region is indicated by the dashed rectangle. Charges are assumed to be given on the same nodes as potential