Macaulay2 » Documentation
Packages » CodingTheory > LinearCode > ambientSpace > field

next | previous | forward | backward | up | index | toc

field -- the field of a code

Synopsis

Usage:

field (C)
Inputs:
- C, an instance of the type LinearCode,
Outputs:
- a ring,

Description

Given a code C, returns the field (or ring) that contains the entries of the generator matrix of C.

i1 : F=GF(4,Variable=>a);

i2 : C=linearCode(matrix{{1,a,0},{0,1,a}});

i3 : field C

o3 = F

o3 : GaloisField

Ways to use field :

field(LinearCode)

For the programmer

The object field is a method function.