1Timestep: 0000 time = 0 L_2 Error: [0.0156, 0.131, 0.0437] ||div u||: 1.27 2Timestep: 0001 time = 0.0001 L_2 Error: [0.0162, 12.7, 0.0437] ||div u||: 1.41 3Timestep: 0000 time = 0 L_2 Error: [0.00196, 0.0943, 0.0109] ||div u||: 3.63 4Timestep: 0001 time = 0.0001 L_2 Error: [0.00198, 0.531, 0.0109] ||div u||: 3.62 5L_2 convergence rate: [2.5, 6.2, 1.3] 6Timestep: 0000 time = 0 L_2 Error: [0.0156, 0.131, 0.0437] ||div u||: 1.27 7Timestep: 0001 time = 0.0001 L_2 Error: [0.0162, 12.7, 0.0437] ||div u||: 1.41 8