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D.15.2.18 arrLocalize
Procedure from library arr.lib (see arr_lib).
- Usage:
- arrLocalize(A, v); arrangement A, intvec v;
- Return:
- arr: the localized arrangement A_X, i.e. A_X only contains the hyperplanes
which contain the flat X, which is defined by the equations A[v]
Example:
| | LIB "arr.lib";
ring R = 0,(x,y,z),dp;
arr A=arrTypeB(3);
intvec v=5,8;
arr B=arrLocalize(A,v);
B;
==> _[1]=x-y
==> _[2]=x+y
==> _[3]=x
==> _[4]=y
==>
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See also:
arrCone;
arrDecone;
arrEssentialize;
arrIsEssential;
arrRestrict.
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