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. Author manuscript; available in PMC: 2014 Nov 15.
Published in final edited form as: Comput Theor Chem. 2013 Nov 15;1024:34–44. doi: 10.1016/j.comptc.2013.09.021

Fig. 6.

Fig. 6

Mean absolute errors of potentials on the molecular surface (inside, kcal/mol-e) versus grid spacing h (Å) with respect to those calculated at the fine grid spacing of 1/16 Å for AT, GC, RD and KD dimers, respectively. A second-order least square fitting method was used in all tests.