petsc-3.9.4 2018-09-11

TAOTRON

The TRON algorithm is an active-set Newton trust region method for bound-constrained minimization.

	-tao_tron_maxgpits	- maximum number of gradient projections per TRON iterate
	-tao_subset_type	- "subvec","mask","matrix-free", strategies for handling active-sets

beginner