test.mtx

%%MatrixMarket matrix coordinate real symmetric
%
% An 11-by-11 symmetric, positive definite matrix with the lower
% triangle stored in compressed sparse row format and separated
% diagonals. (Note that the matrix is strictly diagonally dominant and
% therefore positive definite as a result.)
%
% The matrix is
%
%         1   2   3   4   5   6   7   8   9  10  11
%
%      ⎡  4                  (x) (x)                 ⎤  1
%      ⎢                                             ⎢
%      ⎢      8  (x)                 (x)             ⎢  2
%      ⎢                                             ⎢
%      ⎢      3   15                         (x) (x) ⎢  3
%      ⎢                                             ⎢
%      ⎢             16      (x)             (x)     ⎢  4
%      ⎢                                             ⎢
%      ⎢                 20          (x)         (x) ⎢  5
%      ⎢                                             ⎢
%  A = ⎢  1           7      32          (x) (x)     ⎢  6
%      ⎢                                             ⎢
%      ⎢  2                      16              (x) ⎢  7
%      ⎢                                             ⎢
%      ⎢      4           9          43      (x) (x) ⎢  8
%      ⎢                                             ⎢
%      ⎢                     11           12         ⎢  9
%      ⎢                                             ⎢
%      ⎢          5   8      12      14      56  (x) ⎢ 10
%      ⎢                                             ⎢
%      ⎣          6      10      13  15      16   61 ⎦ 11
%
% Symmetric nonzeros in the upper triangular part of the matrix are
% denoted by '(x)'. These nonzeros are not stored explicitly in the
% Matrix Market file.
%
11 11 27
1 1 4
2 2 8
3 2 3
3 3 15
4 4 16
5 5 20
6 1 1
6 4 7
6 6 32
7 1 2
7 7 16
8 2 4
8 5 9
8 8 43
9 6 11
9 9 12
10 3 5
10 4 8
10 6 12
10 8 14
10 10 56
11 3 6
11 5 10
11 7 13
11 8 15
11 10 16
11 11 61