CoCoA » CoCoALib

17 Jan 2022

13:48 Slug #1646: radical: could be more clever

Bug originally reported by Florian Walsh. Also:... John Abbott

12:07 Slug #1646 (Closed): radical: could be more clever

Who would have predicted the following behaviour?... John Abbott

09:44 Feature #1645: Implement monic0(f) for the case monic(0)?

John Abbott wrote:
> Right now I would be inclined to change the manual.
> I am not yet convinced that @monic0@ is ... Anna Maria Bigatti

08:49 Feature #1645: Implement monic0(f) for the case monic(0)?

Right now I would be inclined to change the manual.
I am not yet convinced that @monic0@ is a good idea. Can you co... John Abbott

08:44 Feature #1645 (In Progress): Implement monic0(f) for the case monic(0)?

... Anna Maria Bigatti

12 Jan 2022

13:57 Slug #1643: rref slower than expected (maybe) [[reduced row echelon form]]

Here is the test I made:... John Abbott

13:54 Slug #1643 (New): rref slower than expected (maybe) [[reduced row echelon form]]

I am preparing a demo for the students, and have written a naive impl of gaussian reduction to triangular form (in Co... John Abbott

10 Jan 2022

17:15 Design #950: factor and SmoothFactor for integers --> FactorINT, FactorINT_TrialDiv, FactorINT_PollardRho

I have now a prototype fn for finding *one* factor using @PollardRhoSeq@.
It takes as input @N>1@ to be factorized, ... John Abbott

07 Jan 2022

20:23 Bug #1641: gcd does not recognize univariate input

I have checked in my first change (so that Anna can experiment with it).
There is more to come (if/when I find time)... John Abbott

04 Jan 2022

11:18 Bug #1641 (In Progress): gcd does not recognize univariate input

I have modified the code to detect univariate inputs and to handle them "cleverly". The result is noticeably faster!... John Abbott

21 Dec 2021

21:56 Design #1642 (In Progress): interreduce: make monic if over finite field?

While working on a Sudoku exercise I noticed that @interreduced@ sometimes return non-monic polynomials: coeff field ... John Abbott

20 Dec 2021

13:43 Bug #1641 (Closed): gcd does not recognize univariate input

Determinants where you would not expect them!... John Abbott