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Here I applied preconditioning on the helix using the following fitting goals ():
In this case, a 2D PEF was estimated on the dense tracks and applied as regularization to the sparse tracks. This greatly improved the speed of convergence to create Figure .
madfig7
Figure 15 Result of fitting goal applied to both sparse and dense data together usinga 2D PEF estimated on dense data.
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Stanford Exploration Project
6/7/2002