Pseudo-Inverse Update

Two rank-one pseudo-inverse update functions.

Description

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.

Acknowledgements

The author wishes to acknowledge the following in the creation of this submission:
Update Inverse Matrix

• MATLAB release: MATLAB 7.5 (R2007b)

[V. Poor]