import Numeric.LinearAlgebra
import Numeric.LinearAlgebra.LAPACK

m :: Matrix Double
m = (3><3) 
  [7.589183,1.703609,-4.477162,
    -4.597851,9.434889,-6.543450,
    0.4588202,-6.115153,1.331191]

v :: Matrix Double
v = (3><1)
  [1.745005,-4.448092,-4.160842]