CoCoA » CoCoA-5

10 Dec 2021

15:54 Bug #1640 (Feedback): MinSubsetOfGens does not find min subset

Anna Maria Bigatti

15:53 Bug #1640: MinSubsetOfGens does not find min subset

During skype meeting, we implemented an improvement (discarding longest polynomial first). Now the given example is ... Anna Maria Bigatti

09 Dec 2021

10:27 Bug #1640: MinSubsetOfGens does not find min subset

John Abbott wrote:
> I have now re-read the manual, and understood what it was trying to say.
> Maybe re-write the ... Anna Maria Bigatti

07 Dec 2021

00:11 Bug #1640: MinSubsetOfGens does not find min subset

I have now re-read the manual, and understood what it was trying to say.
Maybe re-write the manual entry to make it ... John Abbott

00:09 Bug #1640: MinSubsetOfGens does not find min subset

I had wanted to show @MinSubsetOfGens@ to my students, but maybe it is better not to do so.
The code is weird; I a... John Abbott

00:08 Bug #1640 (Closed): MinSubsetOfGens does not find min subset

Not sure what @MinSubsetOfGens@ does, but it does not find a min card subset of the gens which generate the same idea... John Abbott

20:26 Bug #1639: RealRoots: crashes after interrupting

I still get a crash with @product([x-k | k in 0..600])@ and interrupting after about 20s.
Trying with 500 instead of... John Abbott

17:49 Bug #1639 (New): RealRoots: crashes after interrupting

Naturally I discovered this while giving a demo to my students...... John Abbott

06 Dec 2021

20:37 Slug #1638: MinSubsetOfGens sometimes very slow

There are only 256 subsets to try; and some can be quickly eliminated.
I saw the source, and understand that it is n... John Abbott

20:35 Slug #1638 (New): MinSubsetOfGens sometimes very slow

I have just tried @MinSubsetOfGens@, and was surprised how slow it was on a small example.... John Abbott