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math.NA2024
Matrix-free stochastic calculation of operator norms without using adjoints
Jonas Bresch, Dirk A. Lorenz, Felix Schneppe +1
This paper considers the problem of computing the operator norm of a linear map between finite dimensional Hilbert spaces when only evaluations of the linear map are available and…
math.NA2024
On inertial Levenberg-Marquardt type methods for solving nonlinear ill-posed operator equations
Antonio Leitão, Joel C. Rabelo, Dirk A. Lorenz +1
In these notes we propose and analyze an inertial type method for obtaining stable approximate solutions to nonlinear ill-posed operator equations. The method is based on the Leven…