A toolbox for simple finite field operation (Scripts) 1.0

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A toolbox for simple finite field operation (Scripts) Publisher's description

This toolbox can handle simple operations (+,-,*,/,.*,./,inv) of GF(p^n) for any p and n

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 path
java_path_setup;
% create gf class of 3^2
gf9=gf(3,2);

%%%%
% Eg. 1
a=[2 1;1 0]

% compute rank
gf9.rank(a)

% compute inverse
inva = gf9.inv(a)

% Check inverse
a_times_ainva=gf9.mult(a,inva)

% matrix divide
gf9.div(a,a)

%%%%%
% Eg. 2
b=[1 2 1;1 0 1];
c=[1 1 0;2 1 1];

% compute summation

% compute subtraction
gf9.sub(b,c)

% compute dot multiplication
gf9.dmult(b,c)

% compute dot division
gf9.ddiv(b,c)

% output the primitive polynomial
gf9.return_primitive_polynomial % x^2 + 1

% show polynomial representation
gf9.return_poly_representation(5) % x + 2

System Requirements:

MATLAB 7.11 (2010b)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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