[eigen] Re: Opinions on some minor features for 3.2

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On 03/20/2013 10:56 AM, Billy Araujo wrote:
It would be nice if Eigen had a feature in Sparse and Dense Matrices
to eliminate a row/column thus reducing size of matrix and obtain
permutation vector and a right hand vector with the know values.

similiar suggested by:

this would be useful for finite element analysis. I have done this on
top of eigen and can contribute my code for further clean up and
testing as I am not too familiar with eigen's inner architecture.


Hi Gang:

Excellent suggestion!  I have been wanting something along the
lines of conservativeResize(,) to insert or remove rows/columns.
I was thinking of something like conservativeInsertRow() (or Col)
and conservativeRemoveRow() (or Col).

Rodney Sparapani, PhD  Center for Patient Care and Outcomes Research
Sr. Biostatistician               http://www.mcw.edu/pcor
4 wheels good, 2 wheels better!   Medical College of Wisconsin (MCW)
WWLD?:  What Would Lombardi Do?   Milwaukee, WI, USA

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