On Friday, July 10, 2015 at 3:07:17 PM UTC-6, Ondřej Čertík wrote:
>
> Hi,
>
> On Fri, Jul 10, 2015 at 7:30 AM, 刘金国 >
> wrote:
> > 4 x 4 is needed ~~
> > mathematica runs extremely fast for 4 x 4 matrix as it should be, but
> ...
>
> Can you post the Mathematica result? So that we know
to cancel each other out in
> the result, this can be detrimental.
>
> I would start with the eigenvalues. Once you can get those, you will
> want to simplify them if possible, before computing the eigenvectors.
>
> Aaron Meurer
> On Thu, Oct 4, 2018 at 6:12 PM Jacob Miner &
I think I understand, but is there an implementation of this technique that
can actually perform the linear algebra on a symbolic matrix at such
improved compute-time?
On Tuesday, October 9, 2018 at 1:58:04 PM UTC-6, Isuru Fernando wrote:
>
> First k-1 entries of the k th eigenvector for an
; > Hi,
> >
> > For triangular matrices, it's straightforward to calculate eigenvectors.
> You just need triangular solves. See Section 4.4.1 of Heath's Scientific
> Computing 2nd Edition.
> >
> > Isuru
> >
> > On Tue, Oct 9, 2018 at 11:27 AM Jacob Min