1*8b0e23d0SMatthew G. KnepleyL_2 Error: [1.57078e-14, 2.74731e-16] 2*8b0e23d0SMatthew G. KnepleyL_2 Residual: 7.3292e-14 3*8b0e23d0SMatthew G. KnepleyFunction appears to be linear 4