gistlib
main.mK = [12, -4, -2, 0; -4, 10, -3, 1; -2, -3, 5, -1; 0, 1, -1, 6]; l = K(:, 3)'; 78 chars3 lines
K = [12, -4, -2, 0; -4, 10, -3, 1; -2, -3, 5, -1; 0, 1, -1, 6]; l = K(:, 3)';
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