Initial guess
L_2 Error: 0.0208333
Initial Residual
L_2 Residual: 0.
Au - b = Au + F(0)
Linear L_2 Residual: 0.
MFEM mesh v1.1

dimension
2

elements
16
1 3 0 9 21 15
1 3 9 1 17 21
1 3 21 17 4 11
1 3 15 21 11 3
1 3 1 10 22 17
1 3 10 2 19 22
1 3 22 19 5 12
1 3 17 22 12 4
1 3 3 11 23 16
1 3 11 4 18 23
1 3 23 18 7 13
1 3 16 23 13 6
1 3 4 12 24 18
1 3 12 5 20 24
1 3 24 20 8 14
1 3 18 24 14 7

boundary
0

vertices
25
2
 0. 0.
 0.5 0.
 1. 0.
 0. 0.5
 0.5 0.5
 1. 0.5
 0. 1.
 0.5 1.
 1. 1.
 0.25 0.
 0.75 0.
 0.25 0.5
 0.75 0.5
 0.25 1.
 0.75 1.
 0. 0.25
 0. 0.75
 0.5 0.25
 0.5 0.75
 1. 0.25
 1. 0.75
 0.25 0.25
 0.75 0.25
 0.25 0.75
 0.75 0.75
FiniteElementSpace
FiniteElementCollection: H1_2D_P1
VDim: 1
Ordering: 1

 0.
 0.25
 1.
 0.25
 0.5
 1.25
 1.
 1.25
 2.
 0.0625
 0.5625
 0.3125
 0.8125
 1.0625
 1.5625
 0.0625
 0.5625
 0.3125
 0.8125
 1.0625
 1.5625
 0.125
 0.625
 0.625
 1.125