Activity
From 16 Feb 2017 to 17 Mar 2017
17 Mar 2017
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16:18 Design #998 (Feedback): Emacs UI: sending empty input from cocoa5 buffer
- This was done some while ago. I've been using the revised version of @cocoa5.el@ for at least a month without any pr...
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- I made a change to the regexp a while ago. All the examples in the comments above seem to work in a reasonable way.
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- I'm still searching for a "ready-to-eat" solution on the internet, and am also reading the readline documentation.
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- The infix operator *@IsIn@* accepts many different combinations of arg types.
However, for some non-sensical combina... -
- Here are some examples which suggest that it may be better to decompose a poly into its homog parts when testing memb...
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- Here are some cases where behaviour is not ideal:...
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- The current impls of @IsInRadical@ and @MinPowerInRadical@ are fragile: they give errors when they should/need not.
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- The manual page seems to be very wrong! It should probably be completely rewritten *after* we have decided exactly w...
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- We must establish the exact definition of *@ScalarProduct@* and rewrite the manual page accordingly.
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- If we regard @ScalarProduct(A,B)@ as being equivalent to @sum([A[i]*B[i] | i in 1..len(A)])@ then @ScalarProduct@ sho...
14 Mar 2017
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- A quick search found the following example use of the @readline@ alternative interface:
@http://www.mcld.co.uk/blog/... -
- Justin C Walker has pointed out that CoCoA-5's current use of @readline@ does not recognize interrupts (_e.g._ Ctrl-C...
13 Mar 2017
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- There is a (minor?) problem on my old MacBook: typing Ctrl-A when the cursor is at the right-end of the line does som...
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- I think I have just been lucky (or was it Giovanni's good design?).
I have just edited @ReadLineProvider::doReadNext... -
- As Justin C Walker pointed out, the @readline@ command can accept a string arg which is printed as the prompt.
Cur... -
- Problem reported by Justin C Walker via email.
To exhibit problem: start CoCoA-5 (with readline) in a terminal; ty...
10 Mar 2017
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- Despite the *urgent* status I have postponed this to the next version. After all it is principally a matter of effic...
09 Mar 2017
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18:01 Bug #946: Function "ideal" evaluates the argument twice
- I think this is far too difficult for this release.
I suggest moving it to next.
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- For an *urgent* issue, this is making very slow progress :-(
Perhaps someone (who??) should produce a test file wh... -
- This is really unrelated: it is an ideal with a surprisingly "large" DegRevLex RGBasis...
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- More examples: these all have support a 3-subset of supp((x+y+z)^3+x) and coeffs +1 or -1...
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- Would it be a good idea to add a page with a few basic emacs commands to the CoCoA-5 online manual?
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- There is an emacs function *@diff-buffer-with-file@*.
Another possibility is to run *@sum@* on the buffer contents...
08 Mar 2017
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- Here are some more slow examples:...
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- Here are some simple-looking ideals whose lex GBs cannot be computed (in reasonable time) by CoCoA-5.1.5:...
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- See also the discussion in issue #996 about which bool3 flags can be (ought to be) copied, and which cannot.
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- I don't recall being opposed to the idea of having @IdealOfGBasis@ (or something similar) in CoCoALib.
Now that yo... -
- John Abbott wrote:
> As I pointed out in #1020, this fn should also copy across any 3-way flags (_e.g._ @IamRadical3... -
- I've checked it in (not documented)....
07 Mar 2017
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- Send the output to a file! (over 40Mbytes)
Biggest coeffs are from the 3rd last polynomial; but several others are... -
- I am putting this example here just not to lose it:...
06 Mar 2017
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- John Abbott wrote:
> I like @IdealOfMinGens@.
> I do not much like @minimalize(I)@, so suggest making it obsolescen... -
- I like @IdealOfMinGens@.
I do not much like @minimalize(I)@, so suggest making it obsolescent.
Presumably @IdealO... -
- I have added @IdealOfGBasis(I)@ to cocoa-5.
It is like saying @ideal(GBasis(I))@ and @SetGBasisAsGens@ (not availabl... -
- John Abbott wrote:
> As I pointed out in #1020, this fn should also copy across any 3-way flags (_e.g._ @IamRadical3... -
- As I pointed out in #1020, this fn should also copy across any 3-way flags (_e.g._ @IamRadical3@) from the original i...
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- Now using @IdealOfGBasis@, so that the generators of the ideals are the different GBasis....
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- To see an example of inconsistency, just type *@?:@* into CoCoA. This gives the page for infix operators. It looks ...
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- Most entries in the CoCoAManual include a succinct description of the syntax like the following...
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- This seems a duplicate of #558, closed for CoCoA-5.1.0 Easter14.
Unless you mean to check also the output (then it... -
- Done (again, long time ago...). It is called by...
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- @SetVerbosityLevel/VerbosityLevel@ allow to have verbosity.
Some functions now use them.
This should be reported in... -
- in log:
Revision 1.19 2012/05/25 13:07:23 abbott
Cleaned entry for "Try".
Revision 1.14 2012/03/09 17:00:2... -
- As far as I can tell, this has already been done... no idea by whom, or when.
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- I suggest transforming the search string as follows:
* replace all TABs (and any other whitespace chars) by plain sp... -
- Some CoCoA online manual pages have titles containing spaces.
Searching for such a page with a search string contain...
02 Mar 2017
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- now prints
* with verbosity >=10 (each call of recursive, CallOnRecursive)
. with verbosity >=20 (each call of Get... -
- Currently there is no check for the arguments of @..@
Limit the input!
for example upper-lower < ???
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- Write a new function to modify an ideal so that removes the current set of generators and substitutes it with the GBa...
01 Mar 2017
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22 Feb 2017
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- I have added some hasty tutorials... no doubt it is clear that they have been hastily written.
21 Feb 2017
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- There is less than a week to go to the mini-course. It would be nice to make some progress with the tutorials.
20 Feb 2017
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- The functions have existed for some time, but have never been documented.
Also compare speed of CoCoALib impl with... -
- There is a CoCoA-5 package called @chebyshev.cpkg5@.
There are also CoCoALib fns for computing the chebyshev polynom... -
- An interactive CoCoA-5 session will always generate the same sequence of (pseudo-)random numbers.
In CoCoA-4 there w... -
- CoCoA-4 has a @Seed@ fn for resetting the global random number generator.
Make it (or something equivalent) availa...
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