Changeset 10c8756 in git for Singular/LIB/sagbi.lib
- Timestamp:
- Oct 8, 2010, 3:02:57 PM (14 years ago)
- Branches:
- (u'spielwiese', '2a584933abf2a2d3082034c7586d38bb6de1a30a')
- Children:
- b831141f2cbe4fbde086b6b36d002f5725a9188b
- Parents:
- 16fba9ba0eeffb62ae953b25e4e83ce25dff0305
- File:
-
- 1 edited
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Singular/LIB/sagbi.lib
r16fba9 r10c8756 12 12 sagbi(A [,m,t]); SAGBI basis for A 13 13 sagbiPart(A,k[,m]); partial SAGBI basis for A 14 alg Dep(I,it);iteration of SAGBI for algebraic dependencies of I14 algebraicDependence(I,it); iteration of SAGBI for algebraic dependencies of I 15 15 16 16 SEE ALSO: algebra_lib … … 80 80 // that is update matrices 81 81 // at the moment this is troublesome, so use nc_algebra call 82 // see how it done in alg Depproc // VL82 // see how it done in algebraicDependence proc // VL 83 83 def rNew=ring(l); 84 84 setring br; … … 765 765 // VL: finished the documentation 766 766 // TO comapre with algDependent from algebra_lib 767 proc alg Dep(ideal I,int iterations)768 "USAGE: alg Dep(I,it); I an an ideal, it is an integer767 proc algebraicDependence(ideal I,int iterations) 768 "USAGE: algebraicDependence(I,it); I an an ideal, it is an integer 769 769 RETURN: In 'it' iterations, compute algebraic dependencies between elements of I 770 EXAMPLE: example alg Dep; shows an example"770 EXAMPLE: example algebraicDependence; shows an example" 771 771 { 772 772 def br=basering; … … 869 869 //--------------------------------------------------- 870 870 //Call with two iterations 871 def DI = alg Dep(I,2);871 def DI = algebraicDependence(I,2); 872 872 setring DI; algDep; 873 873 // we see that no dependency has been seen so far … … 875 875 //Call with two iterations 876 876 setring r; kill DI; 877 def DI = alg Dep(I,3);877 def DI = algebraicDependence(I,3); 878 878 setring DI; algDep; 879 879 map F = DI,x,y,x^2, xy-y2, xy2; … … 1070 1070 //--------------------------------------------------- 1071 1071 //Call with two iterations 1072 def DI = alg Dep(J,2);1072 def DI = algebraicDependence(J,2); 1073 1073 setring DI; algDep; 1074 1074 */
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