Re: [eigen] Addition to Eigen-unsupported Spline module

[Gael Guennebaud <gael.guennebaud@xxxxxxxxx>]

Thank you for the hint!

Rank-revealing, fast and simple: we must have it ;)

That's an excellent "junior job": http://eigen.tuxfamily.org/bz/show_bug.cgi?id=831

gael

On Wed, Jun 25, 2014 at 10:02 AM, Helmut Jarausch <jarausch@xxxxxxxxxxxxxxxxxxx> wrote:

On 06/25/2014 08:09:40 AM, Gael Guennebaud wrote:

Regarding the accuracy, the unit frequently fails even with FullPivLU, and
I did not observed any improvement of using the much more costly FullPivLU
compard to PartialPivLU.

Has anybody considered "rook pivoting" for Eigen?
You can find several references with Google, e.g., an implementation for Matlab:

http://www.mathworks.com/matlabcentral/fileexchange/37721-rook-pivoting

Helmut.