Weekend is coming.

On Thu, Jul 11, 2013 at 11:07 AM, Grant Ingersoll <[email protected]>wrote:

> FWIW, the only way we are getting out of code freeze is if we actually get
> some feedback on the RC.  It passes my tests, but I haven't heard from
> others much.
>
> -Grant
>
> On Jul 10, 2013, at 5:13 PM, Dmitriy Lyubimov <[email protected]> wrote:
>
> > meant, after code freeze is over.
> >
> >
> > On Wed, Jul 10, 2013 at 2:13 PM, Dmitriy Lyubimov <[email protected]>
> wrote:
> >
> >> fixed as part of MAHOUT-1281 patch now. I will push after code freeze.
> >>
> >>
> >> On Wed, Jul 10, 2013 at 2:06 PM, Ted Dunning <[email protected]
> >wrote:
> >>
> >>> Please file.  Looks completely innocuous and it is good to be standard.
> >>>
> >>>
> >>> On Wed, Jul 10, 2013 at 12:59 PM, Dmitriy Lyubimov <[email protected]
> >>>> wrote:
> >>>
> >>>> Looks like Lanczos is having the same problem and need to undo some
> >>>> workarounds :
> >>>>
> >>>>    EigenDecomposition decomp = new EigenDecomposition(triDiag);
> >>>>
> >>>>    Matrix eigenVects = decomp.getV();
> >>>>    Vector eigenVals = decomp.getRealEigenvalues();
> >>>>    endTime(TimingSection.TRIDIAG_DECOMP);
> >>>>    startTime(TimingSection.FINAL_EIGEN_CREATE);
> >>>>    for (int row = 0; row < i; row++) {
> >>>>      Vector realEigen = null;
> >>>>      // the eigenvectors live as columns of V, in reverse order.
>  Weird
> >>>> but true.
> >>>>      Vector ejCol = eigenVects.viewColumn(i - row - 1);
> >>>>      int size = Math.min(ejCol.size(), state.getBasisSize());
> >>>>
> >>>>
> >>>>
> >>>> On Wed, Jul 10, 2013 at 12:53 PM, Dmitriy Lyubimov <[email protected]
> >>>>> wrote:
> >>>>
> >>>>> changing line 329 of EigenDecomposition.java from
> >>>>>
> >>>>>        if (d.getQuick(j) < p) {
> >>>>>
> >>>>> to
> >>>>>        if (d.getQuick(j) > p) {
> >>>>>
> >>>>>
> >>>>> makes my MAHOUT-1281 patch work.
> >>>>>
> >>>>> should i keep the change? (question for Ted, i guess)
> >>>>>
> >>>>> thanks.
> >>>>> -D
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> On Wed, Jul 10, 2013 at 11:59 AM, Dmitriy Lyubimov <
> [email protected]
> >>>>> wrote:
> >>>>>
> >>>>>> It looks like values out of our ported EigenDecomposition are coming
> >>> out
> >>>>>> sorted in inverse order.
> >>>>>>
> >>>>>> Shouldn't it be the other way around?
> >>>>>>
> >>>>>
> >>>>>
> >>>>
> >>>
> >>
> >>
>
> --------------------------------------------
> Grant Ingersoll | @gsingers
> http://www.lucidworks.com
>
>
>
>
>
>

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