Changeset 9b46be in git
- Timestamp:
- Feb 12, 2015, 11:48:27 AM (9 years ago)
- Branches:
- (u'fieker-DuVal', '117eb8c30fc9e991c4decca4832b1d19036c4c65')(u'spielwiese', '38dfc5131670d387a89455159ed1e071997eec94')
- Children:
- 3a823d31cc10c360f47890e903f0104a00e4f97b
- Parents:
- b6b3d32f64eb5abf2e433181da0eb1e393339533
- git-author:
- Hans Schoenemann <hannes@mathematik.uni-kl.de>2015-02-12 11:48:27+01:00
- git-committer:
- Hans Schoenemann <hannes@mathematik.uni-kl.de>2015-02-12 13:39:38+01:00
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
Singular/LIB/ring.lib
rb6b3d3 r9b46be 31 31 hasMixedOrdering() mixed versus global/local ordering 32 32 hasFieldCoefficient(rng) coefficients are a field 33 hasAlgExtensionCoefficient(r) coefficients are an algebraic extension 33 34 isQuotientRing(rng) ring is a qotient ring 34 35 isSubModule(I,J) check if I is in J as submodule … … 924 925 } 925 926 926 927 928 929 927 proc isQuotientRing(def rng ) 930 928 "USAGE: isQuotientRing ( rng ); … … 947 945 example 948 946 { 947 "EXAMPLE:";echo=2; 949 948 ring rng = 0,x,dp; 950 949 isQuotientRing(rng); //no … … 993 992 example 994 993 { 994 "EXAMPLE:";echo=2; 995 995 ring rng = integer,x,dp; 996 996 hasFieldCoefficient(rng); //no … … 999 999 ring rng2 = 0, x, dp; 1000 1000 hasFieldCoefficient(rng2); // yes 1001 } 1002 1003 proc hasAlgExtensionCoefficient(def rng ) 1004 "USAGE: hasAlgExtensionCoefficient ( rng ); 1005 RETURN: 1 if the coeffcients are an gelebrai extension, 0 otherwise. 1006 KEYWORDS: ring coefficients 1007 EXAMPLE: example hasAlgExtensionCoefficient; shows an example 1008 " 1009 { 1010 def savering=basering; 1011 setring rng; 1012 int r=(string(minpoly)!="0"); 1013 setring savering; 1014 return(r); 1015 } 1016 example 1017 { 1018 "EXAMPLE:";echo=2; 1019 ring rng = integer,x,dp; 1020 hasAlgExtensionCoefficient(rng); //no 1021 ring rng2 = (0,a), x, dp; minpoly=a2-1; 1022 hasAlgExtensionCoefficient(rng2); // yes 1001 1023 } 1002 1024 -
doc/NEWS.texi
rb6b3d3 r9b46be 44 44 @item Ring::addvarsTo (@nref{addvarsTo}) 45 45 @item Ring::addNvarsTo (@nref{addNvarsTo}) 46 @item Ring::hasAlgExtensionCoefficient (@nref{hasAlgExtensionCoefficient}) 46 47 @item Schreyer::s_res (@nref{s_res}) 47 48 @item grobcov.lib (grobcovK) (@nref{grobcov_lib}) with new routines
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