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D.5.7.1 truncate

Procedure from library sheafcoh.lib (see sheafcoh_lib).

Usage:
truncate(M,d); M module, d int

Assume:
M is graded, and it comes assigned with an admissible degree vector as an attribute

Return:
module

Note:
Output is a presentation matrix for the truncation of coker(M) at degree d.

Example:
 


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