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D.8.1.6 findvars

Procedure from library presolve.lib (see presolve_lib).

Usage:
findvars(id [,any] ); id=poly/ideal/vector/module/matrix, any=any type

Return:
if no second argument is present: ideal of variables occuring in id,
if a second argument is given (of any type): list L with 4 entries:
 
  L[1]: ideal of variables occuring in id
  L[2]: intvec of variables occuring in id
  L[3]: ideal of variables not occuring in id
  L[4]: intvec of variables not occuring in id

Example:
 


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.