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nd_gr, nd_gr_trace (加群)

nd_gr(gen,vars,char,ord)
nd_gr_trace(gen,vars,homo,char,ord)
nd_weyl_gr(gen,vars,char,ord)
nd_weyl_gr_trace(gen,vars,homo,char,ord)
:: 部分加群のグレブナー基底の計算
gen
リストのリスト
ord
[IsPOT,Ord] なるリスト
return
リストのリスト
[0] Gen=[[x,y,z],[y^2+x,x^2,z],[y^2,z^3+x,x+z]];
[[x,y,z],[x+y^2,x^2,z],[y^2,x+z^3,x+z]]
[1]  nd_gr(Gen,[x,y,z],0,[0,0]);
[[x,y,z],[y^2,x^2-y,0],[y^2,x+z^3,x+z],[y^3+z^3*y^2,y^3*x-y^3,
-x^3-z*x^2+(z*y^2+y)*x-z*y^2+z*y],[0,0,x^4+z*x^3+(-z*y^2-y)*x^2
+(-y^3+z*y^2-z*y)*x+z^4*y^2]]
参照
@xref{nd_gr}, @xref{nd_gr_trace}


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