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image(RationalMap,String)
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image(RationalMap,String) -- closure of the image of a rational map using the F4 algorithm (experimental)
Function:
image
Usage:
image(Phi,"F4")
image(Phi,"MGB")
Inputs:
Phi
,
a
rational map
a
string
, "F4" or "MGB"
Outputs:
the
ideal
defining the closure of the image of
Phi
; the calculation passes through
groebnerBasis
(...,Strategy=>"F4") or
groebnerBasis
(...,Strategy=>"MGB").
See also
image(RationalMap)
-- closure of the image of a rational map
image(RationalMap,ZZ)
-- closure of the image of a rational map
groebnerBasis
-- Gröbner basis, as a matrix
Ways to use this method:
image(RationalMap,String)
-- closure of the image of a rational map using the F4 algorithm (experimental)
The source of this document is in
Cremona/documentation.m2:681:0
.