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

[Rodney Sparapani <rsparapa@xxxxxxx>]

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:
> http://eigen.tuxfamily.org/bz/show_bug.cgi?id=273
>
> 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.
>
>
> Billy.

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