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. 2022 Apr 28;78(Pt 3):172–199. doi: 10.1107/S2053273322000845

Table 6. Numerical values for the ratio of the sums of squared Fourier coefficient amplitude residuals of non-disjoint models of the moderate amount of added noise pattern, Fig. 5, that are either within their maximal allowance or not.

  Left-hand side of inequality (9b) Right-hand side of inequality (9b) Inequality fulfilled?
4mm over 4 (in c2mm setting) 3.333333 1.3353909 no, as it should
4mm over 4 (in p2gg setting) 3.333333 1.3374486 no, as it should
4mm over 2mm (in p2gg setting) 1.2195122 1.3384615 yes, but due to pseudo­symmetry
4mm over 2mm (in c2mm setting) 1.1627907 1.3389313 yes, but due to pseudo­symmetry