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D.15.7.3 multIdeals
Procedure from library hodge.lib (see hodge_lib).
- Usage:
- multIdeals(f, [, eng]); f a reduced poly, eng an optional integer.
- Return:
- list
- Purpose:
- compute the multiplier ideals of a hypersurface
 .
- Note:
- The value of
eng controls the algorithm used for Groebner basis computations.
See the engine procedure from dmodapp_lib for the available algorithms.
- Display:
- If
printlevel=1, progress debug messages will be printed.
Example:
| | LIB "hodge.lib";
ring R = 0,(x,y),dp;
poly f = y^2-x^3;
multIdeals(f);
==> [1]:
==> [1]:
==> _[1]=1
==> [2]:
==> 5/6
==> [3]:
==> 1
==> [2]:
==> [1]:
==> _[1]=y
==> _[2]=x
==> [2]:
==> 1
==> [3]:
==> 1
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