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Figure 3
(a) The fitted Qi(Q) function for the simulated andalusite with inclusion of random noise, with red showing the fitted curve and black points showing the simulated data. From bottom to top we show data without either the Lorch correction [equation (21[link])] or convolution [equation (22[link])]; data with the Lorch correction but no convolution; data without the Lorch correction but with convolution; data with both the Lorch correction and convolution. The blue curves show the difference between the fitted function and the reference Qi(Q) function with no added noise, given in Fig. 2[link](b). (b) The resultant PDF D(r) from transform of the fitted Qi(Q) function shown as the black curve, with the red dashed curves showing the original model PDF.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 58| Part 4| August 2025| Pages 1269-1287
https://doi.org/10.1107/S1600576725004340
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