Home Online Manual
Top
Back: grshift
Forward: grtwist
FastBack: gitfan_lib
FastForward: hess_lib
Up: gradedModules_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.15.10.6 grzero

Procedure from library gradedModules.lib (see gradedModules_lib).

Usage:
grzero()

Return:
graded object representing S(0)^1

Purpose:
compute presentation of S(0)^1

Example:
 
LIB "gradedModules.lib";
ring r=32003,(x,y,z),dp;
def M = grpower( grshift( grzero(), 10), 5 );
print(M);
==> 0,0,0,0,0,
==> 0,0,0,0,0,
==> 0,0,0,0,0,
==> 0,0,0,0,0,
==> 0,0,0,0,0 
grview(M);
==>          1    2    3    4    5      
==>       -------------------------     
==>  -10 :   .    .    .    .    . |   1
==>  -10 :   .    .    .    .    . |   2
==>  -10 :   .    .    .    .    . |   3
==>  -10 :   .    .    .    .    . |   4
==>  -10 :   .    .    .    .    . |   5
==>       =========================     
==>        -10  -10  -10  -10  -10