5.1.99 prune
------------
Syntax:
prune ( module_expression )
Type:
module
Purpose:
returns the module minimally embedded in a free module such that the
corresponding factor modules are isomorphic.
Example:
  ring r=0,(x,y,z),dp;
  module m=gen(1),gen(3),[x,y,0,z],[x+y,0,0,0,1];
  print(m);
==> 1,0,x,x+y,
==> 0,0,y,0,  
==> 0,1,0,0,  
==> 0,0,z,0,  
==> 0,0,0,1   
  print(prune(m));
==> y,
==> z 
See
module.
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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; User manual for <a href="http://www.singular.uni-kl.de/"><i>Singular</i></a> version 2-0-4, October 2002,
generated by <a href="http://www.gnu.org/software/texinfo/"><i>texi2html</i></a>.
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