CVS log for OpenXM/src/asir-contrib/packages/src/yang_lib.rr

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Default branch: MAIN

Revision 1.5 / (download) - annotate - [select for diffs], Fri Sep 5 11:55:19 2014 UTC (9 years, 8 months ago) by ohara
Branch: MAIN
CVS Tags: HEAD
Changes since 1.4: +2 -2 lines
Diff to previous 1.4 (colored)

Fixed for calling qsort, mapat because of recent changes in module implementation.

Revision 1.4 / (download) - annotate - [select for diffs], Sat Dec 5 18:30:37 2009 UTC (14 years, 5 months ago) by ohara
Branch: MAIN
CVS Tags: R_1_3_1-2, RELEASE_1_3_1_13b
Changes since 1.3: +11 -2 lines
Diff to previous 1.3 (colored)

A function "yang.gr" can accept new option syzygy.

Example:
For a set L of generators of an ideal, the function
    yang.gr(L|syzygy=1)
returns a pair [G,S].  Here G is the reduced Groebner bases of the ideal
and S is a list of vectors as G[I] = S[I][0]*L[0]+S[I][1]*L[1]+...

Revision 1.3 / (download) - annotate - [select for diffs], Mon Sep 1 15:23:22 2008 UTC (15 years, 9 months ago) by ohara
Branch: MAIN
CVS Tags: RELEASE_1_2_3_12
Changes since 1.2: +5 -63 lines
Diff to previous 1.2 (colored)

Removed some function in yang.

Revision 1.2 / (download) - annotate - [select for diffs], Mon Mar 20 14:14:04 2006 UTC (18 years, 2 months ago) by ohara
Branch: MAIN
CVS Tags: DEB_REL_1_2_3-9
Changes since 1.1: +14 -1 lines
Diff to previous 1.1 (colored)

1. ring structure variables are changed.
2. new interfaces are introduced.

Example:
yang.define_ring([x1,x2]);
S = dx1+dx2;
L1 = yang.mul(dx1,S+c-1) - x1*yang.mul(dx1+b1,S+a);
L2 = yang.mul(dx2,S+c-1) - x2*yang.mul(dx2+b2,S+a);
G = yang.gr([L1,L2]);

Revision 1.1 / (download) - annotate - [select for diffs], Mon Aug 15 06:03:49 2005 UTC (18 years, 9 months ago) by ohara
Branch: MAIN
CVS Tags: KNOPPIX_2006

export some functions of yang.rr to yang_lib.rr.

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