1%%MatrixMarket matrix coordinate real general 2% 3% This is a test sparse matrix in Matrix Market Exchange Format. 4% see https://math.nist.gov/MatrixMarket 5% 65 5 9 71 1 1.0 81 4 1.4 92 2 2.0 102 5 2.5 113 3 3.0 124 4 4.0 134 1 4.1 145 5 5.0 155 2 5.2 16