Activity
From 11 Nov 2021 to 10 Dec 2021
10 Dec 2021
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15:54 Bug #1640 (Feedback): MinSubsetOfGens does not find min subset
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- During skype meeting, we implemented an improvement (discarding longest polynomial first). Now the given example is ...
09 Dec 2021
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- John Abbott wrote:
> I have now re-read the manual, and understood what it was trying to say.
> Maybe re-write the ...
07 Dec 2021
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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 ... -
- I had wanted to show @MinSubsetOfGens@ to my students, but maybe it is better not to do so.
The code is weird; I a... -
- Not sure what @MinSubsetOfGens@ does, but it does not find a min card subset of the gens which generate the same idea...
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- I still get a crash with @product([x-k | k in 0..600])@ and interrupting after about 20s.
Trying with 500 instead of... -
- Naturally I discovered this while giving a demo to my students......
06 Dec 2021
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- There are only 256 subsets to try; and some can be quickly eliminated.
I saw the source, and understand that it is n... -
- I have just tried @MinSubsetOfGens@, and was surprised how slow it was on a small example....
26 Nov 2021
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- Here is an observation about the given example:
* in the case that the eigenvalue is rational (_i.e._ in the field),... -
- Anna implemented a quick fix: it was much faster, but would also sometimes give a wrong answer (we understood why).
... -
- After a common investigation via skype, we noticed that @ReadExpr@ (called by RingElem) creates @map<symbol, RingElem...
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- Simpler test:...
25 Nov 2021
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- Some entries in the online manual are missing or very incomplete....
23 Nov 2021
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- The problem is that the ordering matrix has some big entry (after being converted into a matrix with positive entries...
22 Nov 2021
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- Here is a simpler failing example: I have just reduced the exponents...
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- I find the error quite surprising; at least the particular error that was thrown.
I had half expected there to be so... -
- Here is the troublesome input: it throws *@ArgTooBig@*...
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- It seems that the first two rows are "almost parallel" -- why should that be?
Anyway, it should be easy to reduce th...
19 Nov 2021
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- I believe that the error must be clear enough in CoCoALib so that there is no need to intercept (all??) situations li...
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12 Nov 2021
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- The global @packageDir@ should probably also be of type @boost::filesystem::path@.
Currently it is @std::string@ a... -
- It seems that @filesystem::path@ was introduced in C++17.
Anna asks whether we should start compiling with standard ... -
- In some files we use @std::string@ to represent paths to files.
Replace these with values of type @filesystem::path@... -
- Which type of answer do we prefer? LIST or MAT?
If we prefer MAT, are the eigenvectors the rows or the columns? ... -
- Check if this is still a problem!
What does Robbiano do?
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- I have just tested what happens if there is some unsent input in the CoCoA-5, and it seems to discard the unsent inpu...
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- Might it make sense to bind also @C-c h@ and perhaps @C-c ?@ or even @C-c C-?@
Just some suggestions.... maybe t... -
- Done for the CoCoA-5 menu.
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- it is probably easy to add it to the cocoa5-comint menu.
What about the keybinding?
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- Website seems ok now.
Closing.
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- No longer crashes. So that's good.
Now we just need to clean up the path, but that's in a new issue #1631 -
- Anna is reasonably convinced by the idea. She made some alternative proposals:
* use all capital letters for names ... -
- No new bugs have surfaced. Closing this issue.
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