diff --git a/dune/mmdg/mmdg.hh b/dune/mmdg/mmdg.hh
index 0983c462f89e97d8d17228071061f29e10611bd6..e575f73dc56e855ac29dbf67a89a2596e2c9f4c9 100644
--- a/dune/mmdg/mmdg.hh
+++ b/dune/mmdg/mmdg.hh
@@ -98,6 +98,8 @@ public:
       }
     }
 
+    std::cout << "ERROR bulk: " << bulkError << "\t ERROR interface: " << sqrt(interfaceError) << "\n";
+
     return sqrt(bulkError * bulkError + interfaceError);
   }
 
@@ -232,10 +234,6 @@ private:
         }
       }
 
-      std::cout << iFrame[0] << "\t" << (*Base::A)[iElemIdxSLE][iElemIdxSLE] << "\t" <<
-        (*Base::A)[iElemIdxSLE+1][iElemIdxSLE] << "\t" << (*Base::A)[iElemIdxSLE][iElemIdxSLE+1] << "\t" <<
-        (*Base::A)[iElemIdxSLE+1][iElemIdxSLE+1] << "\t" << std::endl;
-
       //get neighboring bulk grid elements of iELem
       const auto elemIn = intersct.inside();
       const auto elemOut = intersct.outside();
@@ -619,10 +617,6 @@ private:
                 interfaceUpdate5;
             }
           }
-
-          std::cout << "neighborTerms: " << (*Base::A)[neighborIdxSLE][iElemIdxSLE] << "\t" <<
-          (*Base::A)[neighborIdxSLE][iElemIdxSLE+1] << "\t" << (*Base::A)[neighborIdxSLE+1][iElemIdxSLE] << "\t" <<
-          (*Base::A)[neighborIdxSLE+1][iElemIdxSLE+1] << "\t\n\n";
         }
         else //boundary interface edge
         {
@@ -678,9 +672,6 @@ private:
           }
         }
       }
-      std::cout << iFrame[0] << "\t" << (*Base::A)[iElemIdxSLE][iElemIdxSLE] << "\t" <<
-        (*Base::A)[iElemIdxSLE+1][iElemIdxSLE] << "\t" << (*Base::A)[iElemIdxSLE][iElemIdxSLE+1] << "\t" <<
-        (*Base::A)[iElemIdxSLE+1][iElemIdxSLE+1] << "\t" << std::endl;
     }
   }
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0733f2789cfe13704721b3793ae5163ddf4c2cc5..d497cb91e2723c1e2768cabe0cb75ff2e0a77421 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -15,4 +15,4 @@ target_compile_definitions("mmdg-2d" PRIVATE GRIDDIM=2)
 target_link_dune_default_libraries("mmdg-2d")
 
 dune_symlink_to_source_files(FILES grids parameterMMDG.ini parameterDG.ini
-  convergenceTest.py)
+  dgAnalysis.py mmdgAnalysis.py)
diff --git a/src/convergenceTest.py b/src/dgAnalysis.py
similarity index 97%
rename from src/convergenceTest.py
rename to src/dgAnalysis.py
index 92ddfa4ad6d118cb0599ee057cfe85acbd450e79..cf7c9ba8a97de93b1d11882cb3c76703daa9bd02 100644
--- a/src/convergenceTest.py
+++ b/src/dgAnalysis.py
@@ -8,7 +8,7 @@ from math import log
 # writes a dgf file for a grid with N elements per directions and dimension dim
 def writeDGF(N, dim):
      # open dgf file
-    file = open(join("grids", "cube" + str(dim) + "d.dgf"), "w")
+    file = open(join("grids", "cube" + str(dim) + "d.dgf"), "rw")
 
     file.write("DGF\n\nInterval\n")
 
diff --git a/src/grids/mmdg2_1.msh b/src/grids/mmdg2_1.msh
new file mode 100644
index 0000000000000000000000000000000000000000..abbd088c8a54f5a618d99c0bc7c411627bbadd3a
--- /dev/null
+++ b/src/grids/mmdg2_1.msh
@@ -0,0 +1,26 @@
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+$EndElements
diff --git a/src/grids/mmdg2_2e-1.msh b/src/grids/mmdg2_2e-1.msh
new file mode 100644
index 0000000000000000000000000000000000000000..4f8dbeb6ac9bd68933693752b17eceb95346fd26
--- /dev/null
+++ b/src/grids/mmdg2_2e-1.msh
@@ -0,0 +1,146 @@
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diff --git a/src/grids/mmdg2_5e-1.msh b/src/grids/mmdg2_5e-1.msh
new file mode 100644
index 0000000000000000000000000000000000000000..cb4bbe9bc94e2d8a76af6fe26bb654f6fdac3d01
--- /dev/null
+++ b/src/grids/mmdg2_5e-1.msh
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diff --git a/src/grids/mmdg2_5e-2.msh b/src/grids/mmdg2_5e-2.msh
new file mode 100644
index 0000000000000000000000000000000000000000..343b392ba70b95ac2d0dad7c7513764fa3bff4f5
--- /dev/null
+++ b/src/grids/mmdg2_5e-2.msh
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new file mode 100644
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diff --git a/src/mmdg.cc b/src/mmdg.cc
index fc9d19b5e0de7b0157c381b5f60be5fe254321bd..503e4ebce7c4b368e2010fe15c9a98b483af26ef 100644
--- a/src/mmdg.cc
+++ b/src/mmdg.cc
@@ -101,10 +101,33 @@ int main(int argc, char** argv)
     MMDG mmdg(gridView, mapper, iGridView, iMapper, *problem);
     mmdg(mu, xi);
 
-    //print total run time
+    //error and total run time
+    const double error = mmdg.computeL2error();
     const double timeTotal = ClockHelper::elapsedRuntime(timeInitial);
+
+    //determine maximum edge length
+    double largestEdgeLength = 0.;
+    for (const auto& edge : edges(gridView))
+    {
+      largestEdgeLength = std::max(largestEdgeLength, edge.geometry().volume());
+    }
+
+    //write error, runtime and maximum edge length
+    std::ofstream errorFile("convergenceData", std::ios::out | std::ios::trunc);
+
+    if (errorFile.is_open())
+    {
+      errorFile << error << "\n" << timeTotal << "\n" << largestEdgeLength;
+      errorFile.close();
+    }
+    else
+    {
+      std::cout << "Unable to write error data to file.\n";
+    }
+
+    //print total run time and error
     std::cout << "Finished with a total run time of " << timeTotal <<
-      " Seconds.\nL2-error: " << mmdg.computeL2error() << ".\n";
+      " Seconds.\nL2-error: " << error << ".\n";
 
     return 0;
   }
diff --git a/src/mmdgAnalysis.py b/src/mmdgAnalysis.py
new file mode 100644
index 0000000000000000000000000000000000000000..ff746bd0a7b2e3e58779824cbe25e1e07af73f2b
--- /dev/null
+++ b/src/mmdgAnalysis.py
@@ -0,0 +1,114 @@
+import numpy as np
+from os import mkdir, remove
+from os.path import join, exists
+from subprocess import call
+from math import log
+
+
+# changes the parameter file such that gridfile is used
+def writeINI(gridfile):
+    # storage for file content
+    lines = None
+
+    # new line to write
+    newline = "gridfile = " + gridfile
+
+    # indicates whether the parameter gridfile already exists
+    hasGridlineParameter = False
+
+    # read file content and replace gridfile parameter if existent
+    with open("parameterMMDG.ini", "r") as file:
+        lines = file.read().splitlines()
+
+        for i in range(len(lines)):
+            if (lines[i].startswith("gridfile")):
+                lines[i] = newline
+                hasGridlineParameter = True
+                break
+
+    # add parameter gridfile if not already existent
+    if (not hasGridlineParameter):
+        lines.append(newline)
+
+    # write parameters to file
+    with open("parameterMMDG.ini", "w") as file:
+        file.write("\n".join(lines))
+
+
+# reads error, run time and maximum edge length, i.e. the output from the
+# excuted discontinuous Galerkin scheme
+def readData():
+    file = open("convergenceData", "r")
+
+    # read data
+    error = float(file.readline())
+    timeTotal = float(file.readline())
+    numberOfElements = float(file.readline())
+
+    file.close()
+
+    # return data
+    return np.array([error, timeTotal, numberOfElements])
+
+
+# === main ===
+
+# create directory for the plots if necessary
+if not exists("plots"):
+    mkdir("plots")
+
+# number of runs from which the run times are taken as mean value
+numberOfMeans = 1
+
+# names of the grid files sorted by refinement
+gridfiles = ["mmdg2_1", "mmdg2_5e-1", "mmdg2_2e-1", "mmdg2_8e-2", "mmdg2_5e-2"]
+
+dim = 2
+
+# storage for errors, run times and largestEdgeLength
+# column 0: error
+# column 1: total run time
+# column 2: largest edge length
+# different rows correspond to different numbers of grid elements
+data = np.zeros((len(gridfiles), 3))
+
+for i in range(len(gridfiles)):
+    # write dgf file
+    writeINI(gridfiles[i])
+
+    # take mean value over numberOfMeans runs
+    for j in range(numberOfMeans):
+        # run executable
+        call(join(".", "mmdg-" + str(dim) + "d"))
+
+        # store data
+        data[i, :] += readData()
+    # end for j
+# end for i
+
+# divide by numberOfMeans
+data /= numberOfMeans
+
+# determine experimental order of convergence (EOC)
+EOC = np.empty(len(gridfiles) - 1)
+
+for i in range(len(gridfiles) - 1):
+    if data[i, 0] != 0:
+        EOC[i] = log(data[i, 0] / data[i+1, 0]) / \
+            log(data[i, 2] / data[i+1, 2])
+    else:
+        EOC[i] = -1.0*float('inf')
+# end for i
+
+print("\n\n-------------------------------------------------------------\n")
+# print EOCs
+print("EOCs (" + str(dim) + "d):\t")
+print(EOC)
+print("\n\n")
+
+# write data to file
+np.savetxt(join("plots", "mmdgAnalysis_" + str(dim) + "d"), data)
+np.savetxt(join("plots", "mmdgEOC_" + str(dim) + "d"), EOC)
+
+# remove output files
+remove("convergenceData")
diff --git a/src/parameterMMDG.ini b/src/parameterMMDG.ini
index 4abb5eff094bb8d4b40b7563301f02ff7a9b0f1b..fb6290810e44ee0860375165a8e320bef7eea5d2 100644
--- a/src/parameterMMDG.ini
+++ b/src/parameterMMDG.ini
@@ -1,3 +1,4 @@
 mu = 1000
 xi = 0.75
 problem = mmdg1
+gridfile = mmdg2_5e-2
\ No newline at end of file