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Figure 10
As a test case the coordinates [z_{1} = 0.151] and [z_{2} = 0.138] are solved by double-segment linear approximation and using the first four reflections for the EPA case and intensities with (a) the [{\cal G}] for [l = 1,\ldots,4], (b) the boundaries of linearization repeated in complete [{\cal P}^{2}], and (c) the common intersection region from the linearized polytope with a total area of [7.99\times 10^{-6}]. The dashed gray lines denote the mirror symmetry in [{\cal P}^{2}] for EPA cases. The green open circle in (d) denotes the centroid of the solution region [the shaded area shown in (c)] which is predicted to be [(z_{1},z_{2}) = ] [(0.1489\pm 0.0021,0.1397\pm 0.0022)]. The green and blue bars represent the calculated errors in z1 and z2 and are attached to the test structure's assumed coordinates for reasons of comparability. A radius corresponding to the polytope area is calculated and represented as an open orange circle in (d).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 58| Part 3| June 2025| Pages 768-788
https://doi.org/10.1107/S1600576725001955
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