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Macaulay2 web site
NumericalAlgebraicGeometry
::
deflate
deflate -- first-order deflation
Synopsis
Optional inputs
:
Variable => ...
, -- first-order deflation
Description
Deflate a polynomial system to restore quadratic convergence of Newton's method. The option
Variable
specifies the base name for the augmented variables.
Caveat
Needs more documentation!!!
See also
PolySystem
-- a polynomial system
newton
-- Newton-Raphson method
Ways to use
deflate
:
deflate(Ideal)
deflate(PolySystem,List)
deflate(PolySystem,Matrix)
deflate(PolySystem,Point)
deflate(PolySystem,Sequence)
deflate(PolySystem,ZZ)