app_hh.m

来自「Hansen最新（2008）修订后的关于反演正则化方法的电子书与相应Matlab」· M 代码 · 共 13 行

function A = app_hh(A,beta,v)
%APP_HH Apply a Householder transformation.
%
% A = app_hh(A,beta,v)
%
% Applies the Householder transformation, defined by
% vector v and scaler beta, to the matrix A; i.e.
%     A = (eye - beta*v*v')*A .

% Per Christian Hansen, IMM, 03/11/92.

A = A - (beta*v)*(v'*A);