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Figure 7
Fractional correction after first-order Taylor expansion correction [equation (8)[link]] for the i-pr data set. The base level is about 0.4%, the white line peak is about 0.8% and the oscillations of the first few peaks are of the order of 0.2–0.3%, just as expected from the ratio. The inversion appears robust for all pixels to below a 0.1% level.

IUCrJ
Volume 6| Part 4| July 2019| Pages 586-602
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519005128