Lester Mackey Projection Deflation A  (I ­ xxT)A(I - xxT) Hotelling 's Deflation A  A - xxTAxxT

Poster W46 Orthogonalized Hotelling 's Deflation A  A - qqTAqqT

Positive Semidefinite Closure Short Term Orthogonality Orthogonality Orthogonalized Projection Deflation A  (I - qqT)A(I - qqT)

Long Term Orthogonality Encodes Additional Variance Variance Generalized Deflation B  B(I - qqT) A  (I - qqT)A(I - qqT)

Schur Complement Deflation A  A ­ AxxTA/xTAx