Geodesic
$L$-curve curvature bounds via Lanczos bidiagonalization
Electronic transactions on numerical analysis, Tome 14 (2002), pp. 20-35.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: The L-curve is often applied to determine a suitable value of the regularization parameter when solving ill-conditioned linear systems of equations with a right-hand side contaminated by errors of unknown norm.
Keywords: ill-posed problem, regularization, L-curve, Gauss quadrature 
@article{ETNA_2002__14__a11,
     author = {Calvetti, D. and Hansen, P.C. and Reichel, L.},
     title = {$L$-curve curvature bounds via {Lanczos} bidiagonalization},
     journal = {Electronic transactions on numerical analysis},
     pages = {20--35},
     publisher = {mathdoc},
     volume = {14},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2002__14__a11/}
}
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Calvetti, D.; Hansen, P.C.; Reichel, L. $L$-curve curvature bounds via Lanczos bidiagonalization. Electronic transactions on numerical analysis, Tome 14 (2002), pp. 20-35. http://geodesic.mathdoc.fr/item/ETNA_2002__14__a11/