[Axiom-developer] [statistical functions]

2005-06-13 Thread anonymous
Changes http://page.axiom-developer.org/zope/mathaction/StatisticalFunctions/diff -- ??changed: -++ This package exports statistics utilities ++ This package exports statistic utilities ??changed: - ++ median(a) median of a collection ++ median(a) median of a collec

[Axiom-developer] [Enhanced Fraction Domain] Update gcl.patch

2005-06-13 Thread unknown
Changes http://page.axiom-developer.org/zope/mathaction/EnhancedFractionDomain/diff -- About (* -2147483648/2203319546073 4926328811737/4294967296) bug, -2147483648 is the MOST-NEGATIVE-FIXNUM. If we negate it, it become a bignum and it is handled differently. This new patch (for gcl-2.6.6) fix

[Axiom-developer] [RealClosure]

2005-06-13 Thread Bill Page
Changes http://page.axiom-developer.org/zope/mathaction/RealClosure/diff -- --removed: -http://www-calfor.lip6.fr/~rr/reclos_frisco.pdf - ??changed: -Renaud Rioboo:: - - Laboratoire d'Informatique de Paris 6 - Universit Pierre et Marie Curie - 4 Place Jussieu - F-75252 Paris CEDEX 05 Renaud

[Axiom-developer] rational points on curves

2005-06-13 Thread daly
Michael, I also understand from your web page that you've done work in finding rational points on curves. Do you have explicit algorithms that you can point me to? I'd like to look at how these might be implemented in Axiom. Tim Daly ___ Axiom-deve

[Axiom-developer] [#167 Infinite Floats Domain] That's cool but ...

2005-06-13 Thread Bill Page
Changes http://page.axiom-developer.org/zope/mathaction/167InfiniteFloatsDomain/diff -- How is this different than what Axiom already does? I can write: \begin{axiom} a:=2*asin(1) a::Expression Float digits(100) a::Expression Float \end{axiom} So %pi already has this kind of "closure" built-in. I

[Axiom-developer] CREALs

2005-06-13 Thread daly
Michael, I'm Tim Daly, the lead developer on Axiom. Axiom was originally developed at IBM Research, was bought to NAG and was a commercial competitor to Mathematica and Maple. It was withdrawn from the market and is now free and open source software. (see http://savannah.nongnu.org/projects/axiom

[Axiom-developer] [#167 Infinite Floats Domain] computable real numbers

2005-06-13 Thread daly
Changes http://page.axiom-developer.org/zope/mathaction/167InfiniteFloatsDomain/diff -- >From Kai Kaminski: > I just read your posts about infinite precision floats on the Axiom > list and I recalled that I have seen something like this a while ago. I > am not sure if this is what you are looki

[Axiom-developer] [#167 Infinite Floats Domain]

2005-06-13 Thread daly
Changes http://page.axiom-developer.org/zope/mathaction/167InfiniteFloatsDomain/diff -- ++added: Now that I'm awake the idea is coming back to me. What originally triggered the thought was that we need a way to compute an answer to a variable number of decimal places which could be expanded la

[Axiom-developer] Rectangular and square matrix category definition in Axiom CAS

2005-06-13 Thread Vanuxem Grégory
Hi, Do you know why there is not the shallowlyMutable attribute in rectangular (RMATCAT) and square matrix category in axiom (CAS) ? Documentation of RMATCAT: ++ \spadtype{RectangularMatrixCategory} is a category of matrices of ++ fixed dimensions. The dimensions of the matrix will be para

[Axiom-developer] [#167 Infinite Floats Domain]

2005-06-13 Thread wyscc
Changes http://page.axiom-developer.org/zope/mathaction/167InfiniteFloatsDomain/diff -- ??changed: -Most people would expect the answer of 'z-x' to be '0.16887242 E-20' but this ignores the fact that the display is converted from an internal binary representation to a decimal one. During the co

[Axiom-developer] [#167 Infinite Floats Domain] Float and DFloat

2005-06-13 Thread wyscc
Changes http://page.axiom-developer.org/zope/mathaction/167InfiniteFloatsDomain/diff -- ??changed: -$m$ has 53 bits stored in a 52 bit field (not including sign, note that in base 2, the most significant digit normalized must be 1, so no need to store it!) and $e$ has 11 bits (including sign, r

[Axiom-developer] [#167 Infinite Floats Domain] Float is arbitrary precision, not infinite precision

2005-06-13 Thread wyscc
Changes http://page.axiom-developer.org/zope/mathaction/167InfiniteFloatsDomain/diff -- ??changed: -In 'FLOAT', conceptually the infinite precision floating point system, is basically also finite precision floating point system, with the ability to increase precision as requested. However, this

[Axiom-developer] [#167 Infinite Floats Domain] Float and DFloat

2005-06-13 Thread wyscc
Changes http://page.axiom-developer.org/zope/mathaction/167InfiniteFloatsDomain/diff -- ??changed: -What is the domain FLOAT if not already "infinite but bounded What is the domain 'FLOAT' if not already "infinite but bounded ++added: ++added: >From Tim Daly Sun, 12 Jun 2005 17:17:54 -0500

[Axiom-developer] [Common Mistakes]

2005-06-13 Thread kratt6
Changes http://page.axiom-developer.org/zope/mathaction/CommonMistakes/diff -- ++added: 16 MathAction requires that Axiom library code must beging with ')abbrev'. Typing ')abb' is not enough even though that works in Axiom itself. -- forwarded from http://page.axiom-developer.org/zope/mathact

[Axiom-developer] [statistical functions]

2005-06-13 Thread kratt6
Changes http://page.axiom-developer.org/zope/mathaction/StatisticalFunctions/diff -- ??changed: -I just started to hack together a couple of statistical functions. Should be extended of course. The median could be implemented in 'O(n)' steps, but I don't have the time. - -\begin{axiom} -)abb pa