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Macaulay2 website
MultiprojectiveVarieties
::
baseLocus
baseLocus -- the base locus of a multi-rational map
Synopsis
Usage:
baseLocus Phi
Inputs:
Phi
,
a
multi-rational map
Outputs:
a
projective variety
, the base locus of
Phi
, that is, the locus where it is not defined
See also
isMorphism(MultirationalMap)
-- whether a multi-rational map is a morphism
ideal(RationalMap)
-- base locus of a rational map
Ways to use
baseLocus
:
"baseLocus(MultirationalMap)"
For the programmer
The object
baseLocus
is
a
method function
.