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D.6.13.19 tangentcone
Procedure from library sing.lib (see sing_lib).
- Usage:
- tangentcone(id [,n]); id = ideal, n = int
- Return:
- the tangent cone of id
- Note:
- The procedure works for any monomial ordering.
If n=0 use std w.r.t. local ordering ds, if n=1 use locstd.
Example:
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