1*c4762a1bSJed Brown 2*c4762a1bSJed Brown Read matrix in ascii format ... 3*c4762a1bSJed Brownm: 59, n: 59, nz: 225 4*c4762a1bSJed Brown 5*c4762a1bSJed Brown Write matrix in binary to 'matrix.dat' ... 6