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===========================================================
gf2mat_test: Test of matrix operations in gfmat.h/gfmat.cpp
===========================================================
A=---- GF(2) matrix of dimension 3*3 -- Density: 0.333333 ----
1 0 0
0 0 1
0 1 0
A*A=---- GF(2) matrix of dimension 3*3 -- Density: 0.333333 ----
1 0 0
0 1 0
0 0 1
A*A'=---- GF(2) matrix of dimension 3*3 -- Density: 0.333333 ----
1 0 0
0 1 0
0 0 1
B=---- GF(2) matrix of dimension 3*3 -- Density: 0.333333 ----
1 0 0
0 0 1
0 1 0
B.get_row(1)=[0 0 1]
B.get_col(2)=[0 1 0]
v=[1 1 0]
A*v=[1 0 1]
rank(A)=3
inv(A)=---- GF(2) matrix of dimension 3*3 -- Density: 0.333333 ----
1 0 0
0 0 1
0 1 0
C=---- GF(2) matrix of dimension 3*3 -- Density: 0.333333 ----
1 0 0
0 1 0
0 0 1
D=---- GF(2) matrix of dimension 3*3 -- Density: 0.333333 ----
1 0 0
0 1 0
0 0 1
p=[0 2 1]
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