id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
39	Number of Hessian eigenvectors	arango	arango	We need to have the capability of specifying the number of Hessian approximation eigenvectors to use during preconditioning. Currently, the conjugate gradient '''cgradient.h''' uses all the eigenpairs computed from the Lanczos algorithm. 	upgrade	closed	major	Adjoint Based Algorithms	Adjoint	3.1	Fixed