PetscDualSpace Object: Lagrange dual space 1 MPI process type: lagrange Dual space with 1 components, size 10 Discontinuous Lagrange dual space Dual basis vector 0 Quadrature on a unknown of order -1 on 1 points (dim 2) p0 (-1, -1) +1 Dual basis vector 1 Quadrature on a unknown of order -1 on 1 points (dim 2) p0 (-0.447214, -1) +1 Dual basis vector 2 Quadrature on a unknown of order -1 on 1 points (dim 2) p0 (+0.447214, -1) +1 Dual basis vector 3 Quadrature on a unknown of order -1 on 1 points (dim 2) p0 (+1, -1) +1 Dual basis vector 4 Quadrature on a unknown of order -1 on 1 points (dim 2) p0 (-1, -0.447214) +1 Dual basis vector 5 Quadrature on a unknown of order -1 on 1 points (dim 2) p0 (-0.333333, -0.333333) +1 Dual basis vector 6 Quadrature on a unknown of order -1 on 1 points (dim 2) p0 (+0.447214, -0.447214) +1 Dual basis vector 7 Quadrature on a unknown of order -1 on 1 points (dim 2) p0 (-1, +0.447214) +1 Dual basis vector 8 Quadrature on a unknown of order -1 on 1 points (dim 2) p0 (-0.447214, +0.447214) +1 Dual basis vector 9 Quadrature on a unknown of order -1 on 1 points (dim 2) p0 (-1, +1) +1