an eigen-space solver for the generalised symmetric eigenvalue problem for sparse matrices, needing only multiplications More...

Functions/Subroutines
subroutine, public	ot_eigensolver (matrix_h, matrix_s, matrix_orthogonal_space_fm, matrix_c_fm, preconditioner, eps_gradient, iter_max, size_ortho_space, silent, ot_settings)
	...

Detailed Description

an eigen-space solver for the generalised symmetric eigenvalue problem for sparse matrices, needing only multiplications

Function/Subroutine Documentation

subroutine, public qs_ot_eigensolver::ot_eigensolver	(	type(dbcsr_type), pointer	matrix_h,
		type(dbcsr_type), pointer	matrix_s,
		type(cp_fm_type), intent(in), optional	matrix_orthogonal_space_fm,
		type(cp_fm_type), intent(inout)	matrix_c_fm,
		type(preconditioner_type), optional, pointer	preconditioner,
		real(kind=dp)	eps_gradient,
		integer, intent(in)	iter_max,
		integer, intent(in), optional	size_ortho_space,
		logical, intent(in), optional	silent,
		type(qs_ot_settings_type), intent(in), optional	ot_settings
	)

...

Parameters

Definition at line 71 of file qs_ot_eigensolver.F.

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