1*8b0e23d0SMatthew G. KnepleyL_2 Error: [8.33588e-16, 9.09348e-17] 2*8b0e23d0SMatthew G. KnepleyL_2 Residual: 2.40406e-15 3*8b0e23d0SMatthew G. KnepleyFunction appears to be linear 4