Research Article
A Subspace Preconditioned LSQR Gauss-Newton Method with a Constrained Line Search Path Applied to 3D Biomedical Microwave Imaging
Table 1
A comparison between the SPLSQR algorithm and the BiCGSTAB iterative method for the solution of update system (4) in case of the UWCEM breast phantom. The number of iterations, the solution time, and the resulting accuracy are given for the first and the last iterations in the reconstruction algorithm.
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