1PetscDualSpace Object: Lagrange dual space 1 MPI process 2 type: lagrange 3 Dual space with 1 components, size 10 4 Discontinuous Lagrange dual space 5 Dual basis vector 0 6 Quadrature on a unknown of order -1 on 1 points (dim 2) 7 p0 (-1, -1) +1 8 Dual basis vector 1 9 Quadrature on a unknown of order -1 on 1 points (dim 2) 10 p0 (-0.333333, -1) +1 11 Dual basis vector 2 12 Quadrature on a unknown of order -1 on 1 points (dim 2) 13 p0 (+0.333333, -1) +1 14 Dual basis vector 3 15 Quadrature on a unknown of order -1 on 1 points (dim 2) 16 p0 (+1, -1) +1 17 Dual basis vector 4 18 Quadrature on a unknown of order -1 on 1 points (dim 2) 19 p0 (-1, -0.333333) +1 20 Dual basis vector 5 21 Quadrature on a unknown of order -1 on 1 points (dim 2) 22 p0 (-0.333333, -0.333333) +1 23 Dual basis vector 6 24 Quadrature on a unknown of order -1 on 1 points (dim 2) 25 p0 (+0.333333, -0.333333) +1 26 Dual basis vector 7 27 Quadrature on a unknown of order -1 on 1 points (dim 2) 28 p0 (-1, +0.333333) +1 29 Dual basis vector 8 30 Quadrature on a unknown of order -1 on 1 points (dim 2) 31 p0 (-0.333333, +0.333333) +1 32 Dual basis vector 9 33 Quadrature on a unknown of order -1 on 1 points (dim 2) 34 p0 (-1, +1) +1 35