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A toolbox for simple finite field operation 1.0

  Date Added: June 13, 2013  |  Visits: 192

A toolbox for simple finite field operation

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This toolbox can handle simple operations (+,-,*,/,.*,./,inv) of GF(p^n) for any p and n. Examples are given below (also documented in gf_test.m).If you find any bug or have any concern/comment, please contact me.% setup pathjava_path_setup;% create gf class of 3^2gf9=gf(3,2);%%%%% Eg. 1a=[2 1;1 0]% compute rankgf9.rank(a)% compute inverseinva = gf9.inv(a)% Check inversea_times_ainva=gf9.mult(a,inva)% matrix dividegf9.div(a,a)%%%%%% Eg. 2b=[1 2 1;1 0 1];c=[1 1 0;2 1 1];% compute summationgf9.add(b,c)% compute subtractiongf9.sub(b,c)% compute dot multiplicationgf9.dmult(b,c)% compute dot divisiongf9.ddiv(b,c)% output the primitive polynomialgf9.return_primitive_polynomial % x^2 + 1% show polynomial representationgf9.return_poly_representation(5) % x + 2

Requirements: No special requirements
Platforms: Matlab
Keyword: Addbc Check Divaa Divide Inva Matrix Subbc Subtraction Summation Times Ainva Dgf Multainva
Users rating: 0/10

License: Shareware Size: 10 KB
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