99 search results - page 1 / 20 » A Primal-Dual Exterior Point Method for Nonlinear Optimizati... |
SIAMJO
2010
12 years 11 months ago
2010
In this paper, a primal dual method for general possible nonconvex nonlinear optimization problems is considered. The method is an exterior point type method which means that it p...
SIAMIS
2010
12 years 11 months ago
2010
We generalize the primal-dual hybrid gradient (PDHG) algorithm proposed by Zhu and Chan in [M. Zhu, and T. F. Chan, An Efficient Primal-Dual Hybrid Gradient Algorithm for Total Var...
TMI
2010
13 years 2 months ago
2010
—We show that electrical impedance tomography (EIT) image reconstruction algorithms with regularization based on the Total Variation (TV) functional are suitable for in vivo imag...
SIAMSC
2010
12 years 11 months ago
2010
We present a line-search algorithm for large-scale continuous optimization. The algorithm is matrix-free in that it does not require the factorization of derivative matrices. Inste...
SIAMJO
2008
13 years 4 months ago
2008
A class of trust-region methods is presented for solving unconstrained nonlinear and possibly nonconvex discretized optimization problems, like those arising in systems governed by...