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D.15.13.4 getLattice

Procedure from library multigrading.lib (see multigrading_lib).

Usage:
getLattice([R[,opt]])

Purpose:
get associated grading group matrix, i.e. generators (cols) of the grading group

Return:
intmat, the grading group matrix, or
its hermite normal form if an optional argument ("hermiteNormalForm") is given or smith normal form if an optional argument ("smith") is given

Example:
 


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