1*c4762a1bSJed Brown 0 SNES Function norm 3.86571 2*c4762a1bSJed Brown 1 SNES Function norm 1.3323 3*c4762a1bSJed Brown 2 SNES Function norm 1.81987e-06 4*c4762a1bSJed Brown 3 SNES Function norm 1.372e-11 5*c4762a1bSJed Brownerrors on 9 x 9 grid: av |u-uexact| = 3.076e-03, |u-uexact|_inf = 1.334e-02 6