Epsilon : 1e-12
Linear array on nodes : Array<double> [
 + id             : const_val
 + size           : 21
 + nb_component   : 2
 + allocated size : 21
 + memory size    : 336.00Byte
 + values         : {{0, 0}, {13, 11}, {1.3, 1.1}, {2.6, 2.2}, {3.9, 3.3}, {5.2, 4.4}, {6.5, 5.5}, {7.8, 6.6}, {9.1, 7.7}, {10.4, 8.8}, {11.7, 9.9}, {0.65, 0.55}, {1.95, 1.65}, {3.25, 2.75}, {4.55, 3.85}, {5.85, 4.95}, {7.15, 6.05}, {8.45, 7.15}, {9.75, 8.25}, {11.05, 9.35}, {12.35, 10.45}}
]

Gradient on quad : Array<double> [
 + id             : grad_on_quad
 + size           : 20
 + nb_component   : 2
 + allocated size : 20
 + memory size    : 320.00Byte
 + values         : {{13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}}
]

Node positions : 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}}
]

Gradient of nodes : Array<double> [
 + id             : grad_coord_on_quad
 + size           : 20
 + nb_component   : 1
 + allocated size : 20
 + memory size    : 160.00Byte
 + values         : {{1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}, {1}}
]