Epsilon : 3e-13
Linear array on nodes : Array<double> [
 + id             : const_val
 + size           : 13
 + nb_component   : 2
 + allocated size : 13
 + memory size    : 208.00Byte
 + values         : {{-18, -9}, {-11.5, -3.5}, {-5, 2}, {5, -2}, {11.5, 3.5}, {18, 9}, {-6.5, -5.5}, {0, 0}, {6.5, 5.5}, {0, 0}, {0, 0}, {0, 0}, {0, 0}}
]

Gradient on quad : Array<double> [
 + id             : grad_on_quad
 + size           : 16
 + nb_component   : 4
 + allocated size : 16
 + memory size    : 512.00Byte
 + values         : {{13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}}
]

Node positions : Array<double> [
 + id             : mesh:coordinates
 + size           : 13
 + nb_component   : 2
 + allocated size : 2000
 + memory size    : 31.25KiByte
 + values         : {{-0.5, -0.5}, {0, -0.5}, {0.5, -0.5}, {-0.5, 0.5}, {0, 0.5}, {0.5, 0.5}, {-0.5, 0}, {0, 0}, {0.5, 0}, {-0.353553, 0.146447}, {0.353553, 0.146447}, {-0.353553, -0.146447}, {0.353553, -0.146447}}
]

Gradient of nodes : Array<double> [
 + id             : grad_coord_on_quad
 + size           : 16
 + nb_component   : 4
 + allocated size : 16
 + memory size    : 512.00Byte
 + values         : {{1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}}
]

Epsilon : 3e-13
Linear array on nodes : Array<double> [
 + id             : const_val
 + size           : 19
 + nb_component   : 2
 + allocated size : 19
 + memory size    : 304.00Byte
 + values         : {{-18, -9}, {-11.5, -3.5}, {-5, 2}, {5, -2}, {11.5, 3.5}, {18, 9}, {-6.5, -5.5}, {0, 0}, {6.5, 5.5}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}}
]

Gradient on quad : Array<double> [
 + id             : grad_on_quad
 + size           : 40
 + nb_component   : 4
 + allocated size : 40
 + memory size    : 1.25KiByte
 + values         : {{13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}, {13, 11, 23, 7}}
]

Node positions : Array<double> [
 + id             : mesh:coordinates
 + size           : 19
 + nb_component   : 2
 + allocated size : 2000
 + memory size    : 31.25KiByte
 + values         : {{-0.5, -0.5}, {0, -0.5}, {0.5, -0.5}, {-0.5, 0.5}, {0, 0.5}, {0.5, 0.5}, {-0.5, 0}, {0, 0}, {0.5, 0}, {0.25, -0.5}, {0.25, -0.25}, {0.25, 0}, {0.25, 0.25}, {0.25, 0.5}, {-0.25, -0.5}, {-0.25, -0.25}, {-0.25, 0}, {-0.25, 0.25}, {-0.25, 0.5}}
]

Gradient of nodes : Array<double> [
 + id             : grad_coord_on_quad
 + size           : 40
 + nb_component   : 4
 + allocated size : 40
 + memory size    : 1.25KiByte
 + values         : {{1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}, {1, 0, 0, 1}}
]