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Mathematical Problems in Engineering
/
2014
/
Article
/
Alg 1
/
Research Article
EVD Dualdating Based Online Subspace Learning
Algorithm 1
SVD updating.
Input:
The rank-
SVD of old data
,
,
,
, new data
.
Output:
The rank-
SVD of total data
,
,
,
.
(1) Compute QR decomposition,
;
(2) Compute the rank-
SVD,
;
(3) The rank-
SVD of
is
.