vector fields built in 0.03443431854248047
Part 1 (exact, d^-2): generators: 16  nonzero divergence coefficients: 0
Part 2: density d^-1: max |div| over the 16 generators and 2 points = 5.178e-01
Part 2: density d^-2: max |div| over the 16 generators and 2 points = 0.000e+00
Part 2: density d^-3: max |div| over the 16 generators and 2 points = 1.295e-01