1%%MatrixMarket matrix coordinate real symmetric 2% 3% This is a test sparse matrix in Matrix Market Exchange Format. 4% see https://math.nist.gov/MatrixMarket 5% 65 5 7 71 1 5.0 81 3 4.1 92 2 3.0 102 4 2.0 113 3 1.0 124 4 4.0 135 5 5.0 14