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Pseudo-Inverse Update

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Two rank-one pseudo-inverse update functions.



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Pseudo-inverse calculation is time-consuming particularly for large size matrices. However, if you have already known the pseudo-inverse of a particular matrix and want to get the pseudo-inverse of its rank-one submatrices (eliminate one column or row) or super-matrices (append one column or row), than these two small tools can do this much quickly for you.

Please let me know any bugs or your suggestions.

Comments and Ratings (2)

Gert Kruger

The SIAM paper is referenced, but the proposed solution is not really implemented... eye => out of memory.

V. Poor

MATLAB Release
MATLAB 7.5 (R2007b)

Inspired by: Update Inverse Matrix

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