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D.15.17.2 realmorsesplit

Procedure from library realclassify.lib (see realclassify_lib).

Usage:
realmorsesplit(f[, mu]); f poly, mu int

Return:
a list consisting of the corank of f, the inertia index, an upper bound for the determinacy, and the residual form of f

Note:
The characteristic of the basering must be zero, the monomial order must be local, f must be contained in maxideal(2) and the Milnor number of f must be finite.
The Milnor number of f can be provided as an optional parameter in order to avoid that it is computed again.

Example:
 
LIB "realclassify.lib";
ring r = 0, (x,y,z), ds;
poly f = (x2+3y-2z)^2+xyz-(x-y3+x2z3)^3;
realmorsesplit(f);
==> [1]:
==>    2
==> [2]:
==>    0
==> [3]:
==>    3
==> [4]:
==>    -x3+2/3xy2
See also: morsesplit.


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