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Calendar:2009
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11 KB (1,248 words) - 16:18, 28 April 2009
CoCoA:CoCoA5Client Overview
...ael. It is a collection of thoughts about where we want to go with the new CoCoA 5 client. * We have 2 modes: CoCoA 4 and CoCoA 5

10 KB (1,564 words) - 17:45, 20 October 2007
ApCoCoALib:RingF4096
The fields representation is ((Z/(2))[x])/(x^12 +x^4 + x^2 +x + 1). CoCoA::ring R = ApCoCoA::AlgebraicCore::NewRingF4096();

3 KB (530 words) - 17:35, 6 March 2008
ApCoCoALib:RingF128
<-> 0*x^6 + 0*x^5 + 0*x^4 + 1*x^3 + 0*x^2 + 1*x^1 + 1*x^0 CoCoA::ring R = ApCoCoA::AlgebraicCore::NewRingF128();

3 KB (525 words) - 17:24, 6 March 2008
ApCoCoA-1:CharP.GBasisF16
This command computes a Groebner basis in the field <tt>F_16 = (Z/(2))[x]/(x^4 + x^3 +1)</tt>. ...:Introduction to Groebner Basis in CoCoA|Introduction to Groebner Basis in CoCoA</see>

3 KB (386 words) - 09:54, 7 October 2020
ApCoCoA-1:CharP.GBasisF256
...ebner basis in the field <tt>F_256 = (Z/(2))[x]/(x^8 + x^7 + x^6 + x^5 + x^4 + x^3 + 1)</tt>. ...:Introduction to Groebner Basis in CoCoA|Introduction to Groebner Basis in CoCoA</see>

3 KB (391 words) - 09:54, 7 October 2020
CoCoA:HilbertPoly
the standard CoCoA ring Qt (= Q[t]). H(1) = 4

1 KB (174 words) - 10:02, 24 October 2007
CoCoA:Define
Sum(1,2,3,4,5); 4. SHORTCUT. The form <tt>F(X_1,...,X_n) := E</tt> is discouraged and may be

4 KB (605 words) - 10:02, 24 October 2007
ApCoCoA-1:LinAlg.Det
...erver using LinBox functions. Please note that in contrary to the built in CoCoA <tt>Det</tt> function the entries of <tt>M</tt> are only allowed to be of t LinAlg.Det(Mat([[1,2],[1,4]]));

2 KB (235 words) - 10:10, 7 October 2020
CoCoA:Ext
VERY IMPORTANT: CoCoA cannot accept the ring R as one of the inputs, Ext(0..4, R/I, R/Ideal(0)); -- another way to define the ring R as a quotient

4 KB (615 words) - 10:02, 24 October 2007
CoCoA:FGLM5
term ordering. If the parameter M is not specified, CoCoA will assume M = GBOld := [z^4 -3z^3 - 4yz + 2z^2 - y + 2z - 2, yz^2 + 2yz - 2z^2 + 1, y^2 - 2yz + z^2 - z

1 KB (218 words) - 16:09, 5 November 2008
CoCoA:Res
0 --> R(-4) --> R(-2)(+)R^2(-3) --> R^2(-1)(+)R(-2) --> R <see>Introduction to Groebner Bases in CoCoA</see>

1 KB (220 words) - 10:02, 24 October 2007
ApCoCoALib:Install
(we use extensively g++ (versions 3.4.n and 4.0.n)) * an installation of GMP (version 4.1.4 or later) -- see http://www.swox.com/gmp/

3 KB (448 words) - 16:15, 13 December 2007
CoCoA:ReducedGBasis
I := Ideal(t^3-x,t^4-y,t^5-z); <see>Introduction to Groebner Bases in CoCoA</see>

1 KB (231 words) - 10:02, 24 October 2007
HowTo:Term Orderings
This page is an introduction into term orderings in CoCoA-5 or ApCoCoA-2. In order to understand this topic, we assume that the reade == Term Orderings in CoCoA ==

8 KB (1,311 words) - 11:26, 14 February 2021
CoCoA:Syz
0 --> R^2(-6) --> R(-4)(+)R^3(-5) --> R^2(-2)(+)R(-3) <see>Introduction to Groebner Bases in CoCoA</see>

2 KB (258 words) - 10:02, 24 October 2007
CoCoA:HowTo:Plot order ideals
At the [http://cocoa.dima.unige.it/conference/schooliv/ CoCoA Summer School 2005] there was a discussion about the possibility to plot or These tools use [[CoCoA:CoCoA_4|CoCoa 4]] and either [http://povray.com POV-Ray] or Latex.

15 KB (1,931 words) - 09:42, 29 October 2020
ApCoCoA-1:LinBox.Det
...erver using LinBox functions. Please note that in contrary to the built in CoCoA <tt>Det</tt> function the entries of <tt>M</tt> are only allowed to be of t LinBox.Det(Mat([[1,2],[1,4]]));

2 KB (282 words) - 10:11, 7 October 2020
ApCoCoA-1:Examples Tutorial De Logic
4) Projekt <math>C</math> kann nur fertiggestellt werden, wenn Projekt <math> == Lösung mit CoCoA ==

6 KB (964 words) - 10:11, 18 July 2008
CoCoA:Clear
memory for these rings. For more information on memory in CoCoA, see Z := 4; -- Z is added to the working memory

2 KB (321 words) - 10:02, 24 October 2007

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