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5.1.117 sortvec
Syntax:
sortvec ( ideal_expression )
sortvec ( module_expression )
Type:
intvec
Purpose:
- computes the permutation v which orders the ideal, resp. module, I by its initial terms, starting with the smallest,
that is, I(v[i]) < I(v[i+1]) for all i.
Example:
ring r=0,(x,y,z),dp;
ideal I=y,z,x,x3,xz;
sortvec(I);
→ 2,1,3,5,4
See
general_lib.
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