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Macaulay2 web site
lexgin -- the generic initial ideal with respect to lexicographical order
Synopsis
Usage:
lexgin I
Inputs:
I
, an
Ideal
in a polynomial
Ring
Outputs:
an
Ideal
, the generic initial ideal of
I
.
Optional inputs
:
AttemptCount =>
default value 7
, sets the number of random coordinate changes the routine attempts before choosing the potential
gin
.
Modular =>
default value false
, if set to be true, computations are performed modulo a large random prime .
Verbose =>
default value false
, provides a summary of the random initial ideals generated and warns if the selected one is not strongly stable.
Description
Same as gin with MonomiaOrder => Lex
This symbol is provided by the package
GenericInitialIdeal
.
See also
gin
-- the generic initial ideal
Ways to use
lexgin
:
lexgin(Ideal)
-- the generic initial ideal with respect to lexicographical order
lexgin(QuotientRing)
-- the generic initial ideal with respect to lexicographical order