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Earth, Planets and Space
Fig. 6 | Earth, Planets and Space

Fig. 6

From: Simultaneous inversion for source field and mantle electrical conductivity using the variable projection approach

Fig. 6

Evolution of root-mean-square misfit and model roughness. The evolution of normalized RMS misfit (right axis) is plotted in blue, and the evolution of model roughness (left axis) is plotted in red. Roughness is evaluated by calculating \(\Vert \varvec{\Gamma } \mathbf{m}\Vert _2^2\). From light to dark colors, the parameter evolution curves are plotted for Q-response inversion, full-VP, alt-Fibonacci scheme, and alt-\(\infty\) scheme, respectively

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