$bvec
[1]  -2.420997 -35.192266 -48.432288

$Mmat
          [,1]      [,2]      [,3]
[1,]   0.00000 -24.90402  14.59706
[2,] -24.90402   0.00000 -17.05561
[3,]  14.59706 -17.05561   0.00000

