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Figure 8
The L-curve using the oversampled data measured with reduced beamlet size for HFM tuning, with the diamond representing the `corner' of the L-curve on a log–log scale and the circle representing a point of reduced regularization parameter with the residual norm close to the minimal achievable by the least-squares algorithm. The calculated voltages of these two points are shown in Fig. 3[link] by diamonds and solid circles, respectively.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 18| Part 6| September 2011| Pages 930-937
doi:10.1107/S0909049511036648
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