Epsilon : 3e-13 Interpolation of array : Array<double> [ + id : const_val + size : 21 + nb_component : 2 + allocated size : 21 + memory size : 336.00Byte + values : {{1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}} ] Gives on quads : Array<double> [ + id : val_on_quad + size : 20 + nb_component : 2 + allocated size : 20 + memory size : 320.00Byte + values : {{1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}} ] Interpolations of node coordinates : Array<double> [ + id : mesh:coordinates + size : 21 + nb_component : 1 + allocated size : 2000 + memory size : 15.62KiByte + values : {{0}, {1}, {0.1}, {0.2}, {0.3}, {0.4}, {0.5}, {0.6}, {0.7}, {0.8}, {0.9}, {0.05}, {0.15}, {0.25}, {0.35}, {0.45}, {0.55}, {0.65}, {0.75}, {0.85}, {0.95}} ] Gives : Array<double> [ + id : coord_on_quad + size : 20 + nb_component : 1 + allocated size : 20 + memory size : 160.00Byte + values : {{0.0211325}, {0.0788675}, {0.121132}, {0.178868}, {0.221132}, {0.278868}, {0.321132}, {0.378868}, {0.421132}, {0.478868}, {0.521132}, {0.578868}, {0.621132}, {0.678868}, {0.721132}, {0.778868}, {0.821132}, {0.878868}, {0.921132}, {0.978868}} ]