Tikhonov Regularized Variable Projection Algorithms for Separable Nonlinear Least Squares Problems

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Method</td><td class="align_center">Runtime (s)</td><td class="align_center">Number of iterations</td><td class="align_center">RMSE</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">VP<sub>GP+TR</sub></td><td class="align_center">263.797378</td><td class="align_center">10</td><td class="align_center">38.0979</td></tr><tr><td class="align_left">VP<sub>KAU+TR</sub></td><td class="align_center">91.929637</td><td class="align_center">10</td><td class="align_center">38.0980</td></tr><tr><td class="align_left">VP<sub>RJF+TR</sub></td><td class="align_center">9.817583</td><td class="align_center">10</td><td class="align_center">38.0983</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Quantitative comparison of performance for each method.</div>

Complexity

tab4

Table 4

Table 4: Tikhonov Regularized Variable Projection Algorithms for Separable Nonlinear Least Squares Problems 