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Figure 1
Calculation of variance of local roughness using (21). (a) The logarithm of [\sigma_{R}^{2}] is plotted for 2000 model phase sets, as described in the text. The abscissa is 〈cos(Δθ)〉, the mean value of the effective figure of merit of the phase set. (b) The probability of choosing the better of two phase sets which differ in quality by 0.1 units of 〈cos(Δθ)〉 is plotted for model data obtained as in (a), using the 364 lowest order terms (diamonds), 249 lowest order terms (triangles), 145 lowest order terms (squares) or 58 lowest order terms (crosses), as described in the text.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
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