Changeset 5480da in git for Singular/LIB/ring.lib
- Timestamp:
- Apr 4, 1998, 12:47:15 AM (26 years ago)
- Branches:
- (u'spielwiese', 'e7cc1ebecb61be8b9ca6c18016352af89940b21a')
- Children:
- a42239a667454add16526617638435dcc1115d49
- Parents:
- fca547bc4a4fdc03461b1fa87b33c326d44b5733
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
Singular/LIB/ring.lib
rfca547 r5480da 1 // $Id: ring.lib,v 1. 4 1997-09-12 08:18:04 Singular Exp $1 // $Id: ring.lib,v 1.5 1998-04-03 22:47:13 krueger Exp $ 2 2 //(GMG, last modified 03.11.95) 3 3 /////////////////////////////////////////////////////////////////////////////// 4 4 5 version="$Id: ring.lib,v 1.5 1998-04-03 22:47:13 krueger Exp $"; 6 info=" 5 7 LIBRARY: ring.lib PROCEDURES FOR MANIPULATING RINGS AND MAPS 6 8 7 changechar( "R",c[,r]); make a copy R of basering [ring r] with new char c8 changeord( "R",o[,r]); make a copy R of basering [ring r] with new ord o9 changevar( "R",v[,r]); make a copy R of basering [ring r] with new vars v10 defring( "R",c,n,v,o); define a ring R in specified char c, n vars v, ord o9 changechar(\"R\",c[,r]); make a copy R of basering [ring r] with new char c 10 changeord(\"R\",o[,r]); make a copy R of basering [ring r] with new ord o 11 changevar(\"R\",v[,r]); make a copy R of basering [ring r] with new vars v 12 defring(\"R\",c,n,v,o); define a ring R in specified char c, n vars v, ord o 11 13 defrings(n[,p]); define ring Sn in n vars, char 32003 [p], ord ds 12 14 defringp(n[,p]); define ring Pn in n vars, char 32003 [p], ord dp 13 extendring( "R",n,v,o); extend given ring by n vars v, ord o and name it R15 extendring(\"R\",n,v,o); extend given ring by n vars v, ord o and name it R 14 16 fetchall(R[,str]); fetch all objects of ring R to basering 15 17 imapall(R[,str]); imap all objects of ring R to basering 16 18 mapall(R,i[,str]); map all objects of ring R via ideal i to basering 17 ringtensor( "R",s,t,..);create ring R, tensor product of rings s,t,...19 ringtensor(\"R\",s,t,..);create ring R, tensor product of rings s,t,... 18 20 (parameters in square brackets [] are optional) 21 "; 19 22 20 23 LIB "inout.lib";
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