flops to factor: 9
           nnzA: 5
           nnzL: 5
reciprocal of condition number: 0.125
berr = 0, ferr = 5.92119e-15
b[0] = 1
b[1] = 3
b[2] = 2
x[0] = 2.75
x[1] = 4.5
x[2] = 3.25
c[0] = -1
c[1] = 3
c[2] = 1