From: michael <michael@localhost.localdomain>
Date: Sun, 14 Feb 2021 11:58:32 +0000 (+0100)
Subject: Added matplotlib.use(Agg) to correct memory error
X-Git-Tag: V9_7_0~39
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=363e0801a2606aff8fd78800b639c20be4234def;p=tools%2Fsolverlab.git

Added matplotlib.use(Agg) to correct memory error
---

diff --git a/CDMATH/linearsolver/src/SparseMatrixPetsc.cxx b/CDMATH/linearsolver/src/SparseMatrixPetsc.cxx
index 651a744..7041acc 100755
--- a/CDMATH/linearsolver/src/SparseMatrixPetsc.cxx
+++ b/CDMATH/linearsolver/src/SparseMatrixPetsc.cxx
@@ -663,7 +663,7 @@ SparseMatrixPetsc::computeSVD(int nsv, double ** valS, SVDWhich which, double to
   SVDGetType(svd,&type);
   PetscPrintf(PETSC_COMM_WORLD," Solution method: %s\n\n",type);
   SVDGetDimensions(svd,&nsv,NULL,NULL);
-  PetscPrintf(PETSC_COMM_WORLD," Number of requested eingular values: %D\n",nsv);
+  PetscPrintf(PETSC_COMM_WORLD," Number of requested singular values: %D\n",nsv);
   SVDGetTolerances(svd,&tol,&maxit);
   PetscPrintf(PETSC_COMM_WORLD," Stopping condition: tol=%.4g, maxit=%D\n",(double)tol,maxit);
 
diff --git a/CDMATH/tests/examples/Poisson1DEF/FiniteElements1DPoisson.py b/CDMATH/tests/examples/Poisson1DEF/FiniteElements1DPoisson.py
index ff8baf5..712b614 100755
--- a/CDMATH/tests/examples/Poisson1DEF/FiniteElements1DPoisson.py
+++ b/CDMATH/tests/examples/Poisson1DEF/FiniteElements1DPoisson.py
@@ -11,6 +11,8 @@
 import cdmath
 from math import sin, pi, sqrt
 from numpy import linspace
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson1DVF/FiniteVolumes1DPoisson.py b/CDMATH/tests/examples/Poisson1DVF/FiniteVolumes1DPoisson.py
index 8143b5c..0f18320 100755
--- a/CDMATH/tests/examples/Poisson1DVF/FiniteVolumes1DPoisson.py
+++ b/CDMATH/tests/examples/Poisson1DVF/FiniteVolumes1DPoisson.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 #===============================================================================================================================
 # Name        : Résolution VF de l'équation de Poisson 1D -\triangle u = f avec conditions aux limites de Dirichlet u=0
@@ -11,6 +12,8 @@
 import cdmath
 from math import sin, pi
 from numpy import linspace
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson2DEF/FiniteElements2DPoisson_SQUARE.py b/CDMATH/tests/examples/Poisson2DEF/FiniteElements2DPoisson_SQUARE.py
old mode 100644
new mode 100755
index a7529d9..eb28762
--- a/CDMATH/tests/examples/Poisson2DEF/FiniteElements2DPoisson_SQUARE.py
+++ b/CDMATH/tests/examples/Poisson2DEF/FiniteElements2DPoisson_SQUARE.py
@@ -11,6 +11,8 @@
 import cdmath
 from math import sin, pi, sqrt
 import numpy as np
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson2DEF_DISK/FiniteElements2DPoisson_DISK.py b/CDMATH/tests/examples/Poisson2DEF_DISK/FiniteElements2DPoisson_DISK.py
index d3ec673..d133bdf 100755
--- a/CDMATH/tests/examples/Poisson2DEF_DISK/FiniteElements2DPoisson_DISK.py
+++ b/CDMATH/tests/examples/Poisson2DEF_DISK/FiniteElements2DPoisson_DISK.py
@@ -11,6 +11,8 @@
 import cdmath
 from math import sin, sqrt, atan2
 import numpy as np
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson2DEF_DISK_StiffBC/FiniteElements2DPoisson_DISK_StiffBC.py b/CDMATH/tests/examples/Poisson2DEF_DISK_StiffBC/FiniteElements2DPoisson_DISK_StiffBC.py
index 46e9c35..f160ce6 100755
--- a/CDMATH/tests/examples/Poisson2DEF_DISK_StiffBC/FiniteElements2DPoisson_DISK_StiffBC.py
+++ b/CDMATH/tests/examples/Poisson2DEF_DISK_StiffBC/FiniteElements2DPoisson_DISK_StiffBC.py
@@ -11,6 +11,8 @@
 import cdmath
 from math import atan, pi
 from numpy import sign, linspace
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson2DEF_SQUARE_StiffBC/FiniteElements2DPoisson_SQUARE_StiffBC.py b/CDMATH/tests/examples/Poisson2DEF_SQUARE_StiffBC/FiniteElements2DPoisson_SQUARE_StiffBC.py
index d58fb6b..1f2a44f 100755
--- a/CDMATH/tests/examples/Poisson2DEF_SQUARE_StiffBC/FiniteElements2DPoisson_SQUARE_StiffBC.py
+++ b/CDMATH/tests/examples/Poisson2DEF_SQUARE_StiffBC/FiniteElements2DPoisson_SQUARE_StiffBC.py
@@ -11,6 +11,8 @@
 import cdmath
 from math import atan, pi
 from numpy import linspace
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson2DVF/FiniteVolumes2DPoisson_SQUARE.py b/CDMATH/tests/examples/Poisson2DVF/FiniteVolumes2DPoisson_SQUARE.py
old mode 100644
new mode 100755
index 128dbe3..877628c
--- a/CDMATH/tests/examples/Poisson2DVF/FiniteVolumes2DPoisson_SQUARE.py
+++ b/CDMATH/tests/examples/Poisson2DVF/FiniteVolumes2DPoisson_SQUARE.py
@@ -11,6 +11,8 @@
 import cdmath
 from math import sin, pi, sqrt
 import numpy as np
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson2DVF_DISK/FiniteVolumes2DPoisson_DISK.py b/CDMATH/tests/examples/Poisson2DVF_DISK/FiniteVolumes2DPoisson_DISK.py
index 9a923cd..9e13ad3 100755
--- a/CDMATH/tests/examples/Poisson2DVF_DISK/FiniteVolumes2DPoisson_DISK.py
+++ b/CDMATH/tests/examples/Poisson2DVF_DISK/FiniteVolumes2DPoisson_DISK.py
@@ -11,6 +11,8 @@
 import cdmath
 from math import sin, sqrt, atan2
 import numpy as np
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson2DVF_DISK_StiffBC/FiniteVolumes2DPoisson_DISK_StiffBC.py b/CDMATH/tests/examples/Poisson2DVF_DISK_StiffBC/FiniteVolumes2DPoisson_DISK_StiffBC.py
index 36e48e0..56355bd 100755
--- a/CDMATH/tests/examples/Poisson2DVF_DISK_StiffBC/FiniteVolumes2DPoisson_DISK_StiffBC.py
+++ b/CDMATH/tests/examples/Poisson2DVF_DISK_StiffBC/FiniteVolumes2DPoisson_DISK_StiffBC.py
@@ -11,6 +11,8 @@
 import cdmath
 from math import atan, pi, sqrt
 from numpy import linspace
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson3DEF/FiniteElements3DPoisson_CUBE.py b/CDMATH/tests/examples/Poisson3DEF/FiniteElements3DPoisson_CUBE.py
old mode 100644
new mode 100755
index 6317e94..6043a1e
--- a/CDMATH/tests/examples/Poisson3DEF/FiniteElements3DPoisson_CUBE.py
+++ b/CDMATH/tests/examples/Poisson3DEF/FiniteElements3DPoisson_CUBE.py
@@ -11,6 +11,8 @@
 import cdmath
 from math import sin, pi, sqrt
 import numpy as np
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson3DEF_BALL/FiniteElements3DPoisson_BALL.py b/CDMATH/tests/examples/Poisson3DEF_BALL/FiniteElements3DPoisson_BALL.py
index b9f0f14..82fa4e8 100755
--- a/CDMATH/tests/examples/Poisson3DEF_BALL/FiniteElements3DPoisson_BALL.py
+++ b/CDMATH/tests/examples/Poisson3DEF_BALL/FiniteElements3DPoisson_BALL.py
@@ -11,6 +11,8 @@
 import cdmath
 from math import sin, cos, atan2, sqrt
 import numpy as np
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson3DSphereEF/FiniteElements3DPoissonSphere.py b/CDMATH/tests/examples/Poisson3DSphereEF/FiniteElements3DPoissonSphere.py
old mode 100644
new mode 100755
index 274586a..9d07572
--- a/CDMATH/tests/examples/Poisson3DSphereEF/FiniteElements3DPoissonSphere.py
+++ b/CDMATH/tests/examples/Poisson3DSphereEF/FiniteElements3DPoissonSphere.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 #===============================================================================================================================
 # Name        : Résolution EF de l'équation de Laplace-Beltrami -\triangle u = f sur une sphere 
diff --git a/CDMATH/tests/examples/Poisson3DTorusEF/FiniteElements3DPoissonTorus.py b/CDMATH/tests/examples/Poisson3DTorusEF/FiniteElements3DPoissonTorus.py
index 0b7612c..6de976e 100755
--- a/CDMATH/tests/examples/Poisson3DTorusEF/FiniteElements3DPoissonTorus.py
+++ b/CDMATH/tests/examples/Poisson3DTorusEF/FiniteElements3DPoissonTorus.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 #===============================================================================================================================
 # Name        : Résolution EF de l'équation de Laplace-Beltrami -\triangle u = f sur un tore
diff --git a/CDMATH/tests/examples/Poisson3DVF/FiniteVolumes3DPoisson_CUBE.py b/CDMATH/tests/examples/Poisson3DVF/FiniteVolumes3DPoisson_CUBE.py
index 41c3ab0..066d1ff 100755
--- a/CDMATH/tests/examples/Poisson3DVF/FiniteVolumes3DPoisson_CUBE.py
+++ b/CDMATH/tests/examples/Poisson3DVF/FiniteVolumes3DPoisson_CUBE.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 #===============================================================================================================================
 # Name        : Résolution VF de l'équation de Poisson -\triangle u = f sur unu cube avec conditions aux limites de Dirichlet u=0
@@ -11,6 +12,8 @@
 import cdmath
 from math import sin, pi, sqrt
 import numpy as np
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/Poisson3DVF_BALL/FiniteVolumes3DPoisson_BALL.py b/CDMATH/tests/examples/Poisson3DVF_BALL/FiniteVolumes3DPoisson_BALL.py
index a09d3fd..2c32135 100755
--- a/CDMATH/tests/examples/Poisson3DVF_BALL/FiniteVolumes3DPoisson_BALL.py
+++ b/CDMATH/tests/examples/Poisson3DVF_BALL/FiniteVolumes3DPoisson_BALL.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 #===============================================================================================================================
 # Name        : Résolution VF de l'équation de Poisson -\triangle u = f sur la boule unité  avec conditions aux limites de Dirichlet u=0
@@ -11,6 +12,8 @@
 import cdmath
 from math import sin, cos, pi, sqrt, atan2
 import numpy as np
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import PV_routines
 import VTK_routines
diff --git a/CDMATH/tests/examples/TransportEquation1DUpwindImplicit/1DTransportEquationUpwindImplicit.py b/CDMATH/tests/examples/TransportEquation1DUpwindImplicit/1DTransportEquationUpwindImplicit.py
index 84ddf39..6f990fb 100755
--- a/CDMATH/tests/examples/TransportEquation1DUpwindImplicit/1DTransportEquationUpwindImplicit.py
+++ b/CDMATH/tests/examples/TransportEquation1DUpwindImplicit/1DTransportEquationUpwindImplicit.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 #===============================================================================================================================
diff --git a/CDMATH/tests/examples/WaveSystem1DStaggered_RiemannProblem/WaveSystem1DStaggered_RiemannProblem.py b/CDMATH/tests/examples/WaveSystem1DStaggered_RiemannProblem/WaveSystem1DStaggered_RiemannProblem.py
index 675f3dd..3603977 100755
--- a/CDMATH/tests/examples/WaveSystem1DStaggered_RiemannProblem/WaveSystem1DStaggered_RiemannProblem.py
+++ b/CDMATH/tests/examples/WaveSystem1DStaggered_RiemannProblem/WaveSystem1DStaggered_RiemannProblem.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 import cdmath
diff --git a/CDMATH/tests/examples/WaveSystem1DUpwind/WaveSystem1DUpwind.py b/CDMATH/tests/examples/WaveSystem1DUpwind/WaveSystem1DUpwind.py
index 00cbdec..945f163 100755
--- a/CDMATH/tests/examples/WaveSystem1DUpwind/WaveSystem1DUpwind.py
+++ b/CDMATH/tests/examples/WaveSystem1DUpwind/WaveSystem1DUpwind.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 import cdmath
diff --git a/CDMATH/tests/examples/WaveSystem1DUpwind_RiemannProblem/WaveSystem1DUpwind_RiemannProblem.py b/CDMATH/tests/examples/WaveSystem1DUpwind_RiemannProblem/WaveSystem1DUpwind_RiemannProblem.py
index 7fcb86d..ad3f8d6 100755
--- a/CDMATH/tests/examples/WaveSystem1DUpwind_RiemannProblem/WaveSystem1DUpwind_RiemannProblem.py
+++ b/CDMATH/tests/examples/WaveSystem1DUpwind_RiemannProblem/WaveSystem1DUpwind_RiemannProblem.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 import cdmath
diff --git a/CDMATH/tests/examples/WaveSystem2DUpwind_RiemannProblem/WaveSystemUpwind.py b/CDMATH/tests/examples/WaveSystem2DUpwind_RiemannProblem/WaveSystemUpwind.py
index db1a426..9d3abde 100755
--- a/CDMATH/tests/examples/WaveSystem2DUpwind_RiemannProblem/WaveSystemUpwind.py
+++ b/CDMATH/tests/examples/WaveSystem2DUpwind_RiemannProblem/WaveSystemUpwind.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 #===============================================================================================================================
diff --git a/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemCentered/WaveSystemCentered.py b/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemCentered/WaveSystemCentered.py
index b728be9..95fa24f 100755
--- a/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemCentered/WaveSystemCentered.py
+++ b/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemCentered/WaveSystemCentered.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 #===============================================================================================================================
diff --git a/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemPStag/WaveSystemPStag.py b/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemPStag/WaveSystemPStag.py
index b4793e8..1130af8 100755
--- a/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemPStag/WaveSystemPStag.py
+++ b/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemPStag/WaveSystemPStag.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 #===============================================================================================================================
diff --git a/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemStaggered/WaveSystemStaggered.py b/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemStaggered/WaveSystemStaggered.py
index 69ef241..752c378 100755
--- a/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemStaggered/WaveSystemStaggered.py
+++ b/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemStaggered/WaveSystemStaggered.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 #===============================================================================================================================
diff --git a/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemUpwind/WaveSystemUpwind.py b/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemUpwind/WaveSystemUpwind.py
index 5eb7688..10b55c9 100755
--- a/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemUpwind/WaveSystemUpwind.py
+++ b/CDMATH/tests/examples/WaveSystem_Shock/WaveSystemUpwind/WaveSystemUpwind.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 #===============================================================================================================================
diff --git a/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemCentered/WaveSystemCentered.py b/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemCentered/WaveSystemCentered.py
index 5480f1f..c6c6fa8 100755
--- a/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemCentered/WaveSystemCentered.py
+++ b/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemCentered/WaveSystemCentered.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 #===============================================================================================================================
diff --git a/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemPStag/WaveSystemPStag.py b/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemPStag/WaveSystemPStag.py
index a86f0f7..f73e2b4 100755
--- a/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemPStag/WaveSystemPStag.py
+++ b/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemPStag/WaveSystemPStag.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 #===============================================================================================================================
diff --git a/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemStaggered/WaveSystemStaggered.py b/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemStaggered/WaveSystemStaggered.py
index 6318a50..092ab28 100755
--- a/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemStaggered/WaveSystemStaggered.py
+++ b/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemStaggered/WaveSystemStaggered.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 #===============================================================================================================================
diff --git a/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemUpwind/WaveSystemUpwind.py b/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemUpwind/WaveSystemUpwind.py
index 3cd4021..bb190e0 100755
--- a/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemUpwind/WaveSystemUpwind.py
+++ b/CDMATH/tests/examples/WaveSystem_Stationary/WaveSystemUpwind/WaveSystemUpwind.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*-coding:utf-8 -*
 
 #===============================================================================================================================
diff --git a/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_Delaunay_triangles/test_validation2DDiffusionEF_Delaunay_triangles.py b/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_Delaunay_triangles/test_validation2DDiffusionEF_Delaunay_triangles.py
index 9601301..244b128 100755
--- a/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_Delaunay_triangles/test_validation2DDiffusionEF_Delaunay_triangles.py
+++ b/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_Delaunay_triangles/test_validation2DDiffusionEF_Delaunay_triangles.py
@@ -1,4 +1,6 @@
 import FiniteElements2DDiffusion_SQUARE
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_flat_cross_triangles/test_validation2DDiffusionEF_flat_cross_triangles.py b/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_flat_cross_triangles/test_validation2DDiffusionEF_flat_cross_triangles.py
old mode 100644
new mode 100755
index 1f604a2..30f1cd8
--- a/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_flat_cross_triangles/test_validation2DDiffusionEF_flat_cross_triangles.py
+++ b/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_flat_cross_triangles/test_validation2DDiffusionEF_flat_cross_triangles.py
@@ -1,4 +1,6 @@
 import FiniteElements2DDiffusion_SQUARE
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_skinny_triangles/test_validation2DDiffusionEF_skinny_triangles.py b/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_skinny_triangles/test_validation2DDiffusionEF_skinny_triangles.py
index c926345..bdbeaf0 100755
--- a/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_skinny_triangles/test_validation2DDiffusionEF_skinny_triangles.py
+++ b/CDMATH/tests/validation/AnisotropicDiffusion/2DDiffusionEF_skinny_triangles/test_validation2DDiffusionEF_skinny_triangles.py
@@ -1,4 +1,6 @@
 import FiniteElements2DDiffusion_SQUARE
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/Poisson/2DPoissonEF_Delaunay_triangles/test_validation2DPoissonEF_Delaunay_triangles.py b/CDMATH/tests/validation/Poisson/2DPoissonEF_Delaunay_triangles/test_validation2DPoissonEF_Delaunay_triangles.py
old mode 100644
new mode 100755
index e392e0f..ce97ce0
--- a/CDMATH/tests/validation/Poisson/2DPoissonEF_Delaunay_triangles/test_validation2DPoissonEF_Delaunay_triangles.py
+++ b/CDMATH/tests/validation/Poisson/2DPoissonEF_Delaunay_triangles/test_validation2DPoissonEF_Delaunay_triangles.py
@@ -1,5 +1,7 @@
 import FiniteElements2DPoisson_SQUARE
 import matplotlib.pyplot as plt
+import matplotlib
+matplotlib.use("Agg")
 import numpy as np
 from math import log10, sqrt
 import time, json
diff --git a/CDMATH/tests/validation/Poisson/2DPoissonEF_StiffBCDisk_delaunay_triangles/test_validation2DPoissonEF_StiffBCDisk_Delaunay_triangles.py b/CDMATH/tests/validation/Poisson/2DPoissonEF_StiffBCDisk_delaunay_triangles/test_validation2DPoissonEF_StiffBCDisk_Delaunay_triangles.py
old mode 100644
new mode 100755
index bdec68c..637874d
--- a/CDMATH/tests/validation/Poisson/2DPoissonEF_StiffBCDisk_delaunay_triangles/test_validation2DPoissonEF_StiffBCDisk_Delaunay_triangles.py
+++ b/CDMATH/tests/validation/Poisson/2DPoissonEF_StiffBCDisk_delaunay_triangles/test_validation2DPoissonEF_StiffBCDisk_Delaunay_triangles.py
@@ -1,4 +1,6 @@
 import FiniteElements2DPoissonStiffBC_DISK
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/Poisson/2DPoissonEF_StiffBCSquare_delaunay_triangles/test_validation2DPoissonEF_StiffBCSquare_Delaunay_triangles.py b/CDMATH/tests/validation/Poisson/2DPoissonEF_StiffBCSquare_delaunay_triangles/test_validation2DPoissonEF_StiffBCSquare_Delaunay_triangles.py
old mode 100644
new mode 100755
index 4fc11d4..b19fa19
--- a/CDMATH/tests/validation/Poisson/2DPoissonEF_StiffBCSquare_delaunay_triangles/test_validation2DPoissonEF_StiffBCSquare_Delaunay_triangles.py
+++ b/CDMATH/tests/validation/Poisson/2DPoissonEF_StiffBCSquare_delaunay_triangles/test_validation2DPoissonEF_StiffBCSquare_Delaunay_triangles.py
@@ -1,4 +1,6 @@
 import FiniteElements2DPoissonStiffBC_SQUARE
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/Poisson/2DPoissonEF_flat_cross_triangles/test_validation2DPoissonEF_flat_cross_triangles.py b/CDMATH/tests/validation/Poisson/2DPoissonEF_flat_cross_triangles/test_validation2DPoissonEF_flat_cross_triangles.py
old mode 100644
new mode 100755
index 03c3acd..124f0b5
--- a/CDMATH/tests/validation/Poisson/2DPoissonEF_flat_cross_triangles/test_validation2DPoissonEF_flat_cross_triangles.py
+++ b/CDMATH/tests/validation/Poisson/2DPoissonEF_flat_cross_triangles/test_validation2DPoissonEF_flat_cross_triangles.py
@@ -1,4 +1,6 @@
 import FiniteElements2DPoisson_SQUARE
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/Poisson/2DPoissonEF_skinny_triangles/test_validation2DPoissonEF_skinny_triangles.py b/CDMATH/tests/validation/Poisson/2DPoissonEF_skinny_triangles/test_validation2DPoissonEF_skinny_triangles.py
old mode 100644
new mode 100755
index c279a19..5710282
--- a/CDMATH/tests/validation/Poisson/2DPoissonEF_skinny_triangles/test_validation2DPoissonEF_skinny_triangles.py
+++ b/CDMATH/tests/validation/Poisson/2DPoissonEF_skinny_triangles/test_validation2DPoissonEF_skinny_triangles.py
@@ -1,4 +1,6 @@
 import FiniteElements2DPoisson_SQUARE
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/Poisson/3DCubeSkinPoissonEF/test_validation3DCubeSkinPoissonEF.py b/CDMATH/tests/validation/Poisson/3DCubeSkinPoissonEF/test_validation3DCubeSkinPoissonEF.py
old mode 100644
new mode 100755
index c7c5e38..e3e1831
--- a/CDMATH/tests/validation/Poisson/3DCubeSkinPoissonEF/test_validation3DCubeSkinPoissonEF.py
+++ b/CDMATH/tests/validation/Poisson/3DCubeSkinPoissonEF/test_validation3DCubeSkinPoissonEF.py
@@ -1,4 +1,6 @@
 import FiniteElements3DPoissonCubeSkin
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/Poisson/3DPoissonEF/test_validation3DPoissonEF.py b/CDMATH/tests/validation/Poisson/3DPoissonEF/test_validation3DPoissonEF.py
old mode 100644
new mode 100755
index 980189b..492b3c2
--- a/CDMATH/tests/validation/Poisson/3DPoissonEF/test_validation3DPoissonEF.py
+++ b/CDMATH/tests/validation/Poisson/3DPoissonEF/test_validation3DPoissonEF.py
@@ -1,4 +1,6 @@
 import FiniteElements3DPoisson_CUBE
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/Poisson/3DTorusPoissonEF/test_validation3DTorusPoissonEF.py b/CDMATH/tests/validation/Poisson/3DTorusPoissonEF/test_validation3DTorusPoissonEF.py
old mode 100644
new mode 100755
index 117d252..3ed1b87
--- a/CDMATH/tests/validation/Poisson/3DTorusPoissonEF/test_validation3DTorusPoissonEF.py
+++ b/CDMATH/tests/validation/Poisson/3DTorusPoissonEF/test_validation3DTorusPoissonEF.py
@@ -1,4 +1,6 @@
 import FiniteElements3DPoissonTorus
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/TransportEquation1D/1DTransportCenteredImplicit/test_validation1DTransportEquationCenteredImplicit.py b/CDMATH/tests/validation/TransportEquation1D/1DTransportCenteredImplicit/test_validation1DTransportEquationCenteredImplicit.py
old mode 100644
new mode 100755
index 6b9f640..8d134bd
--- a/CDMATH/tests/validation/TransportEquation1D/1DTransportCenteredImplicit/test_validation1DTransportEquationCenteredImplicit.py
+++ b/CDMATH/tests/validation/TransportEquation1D/1DTransportCenteredImplicit/test_validation1DTransportEquationCenteredImplicit.py
@@ -1,4 +1,6 @@
 import TransportEquation1DCenteredImplicit
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/TransportEquation1D/1DTransportUpwindExplicit/test_validation1DTransportEquationUpwindExplicit.py b/CDMATH/tests/validation/TransportEquation1D/1DTransportUpwindExplicit/test_validation1DTransportEquationUpwindExplicit.py
old mode 100644
new mode 100755
index 5c40905..9559531
--- a/CDMATH/tests/validation/TransportEquation1D/1DTransportUpwindExplicit/test_validation1DTransportEquationUpwindExplicit.py
+++ b/CDMATH/tests/validation/TransportEquation1D/1DTransportUpwindExplicit/test_validation1DTransportEquationUpwindExplicit.py
@@ -1,4 +1,6 @@
 import TransportEquation1DUpwindExplicit
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt
diff --git a/CDMATH/tests/validation/TransportEquation1D/1DTransportUpwindImplicit/test_validation1DTransportEquationUpwindImplicit.py b/CDMATH/tests/validation/TransportEquation1D/1DTransportUpwindImplicit/test_validation1DTransportEquationUpwindImplicit.py
old mode 100644
new mode 100755
index a289933..e241281
--- a/CDMATH/tests/validation/TransportEquation1D/1DTransportUpwindImplicit/test_validation1DTransportEquationUpwindImplicit.py
+++ b/CDMATH/tests/validation/TransportEquation1D/1DTransportUpwindImplicit/test_validation1DTransportEquationUpwindImplicit.py
@@ -1,4 +1,6 @@
 import TransportEquation1DUpwindImplicit
+import matplotlib
+matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 import numpy as np
 from math import log10, sqrt