diff --git a/examples/one_dof_oscillator/test_SSMLearn.mat b/examples/one_dof_oscillator/test_SSMLearn.mat
index fba54ea..bfa43e4 100644
Binary files a/examples/one_dof_oscillator/test_SSMLearn.mat and b/examples/one_dof_oscillator/test_SSMLearn.mat differ
diff --git a/examples/one_dof_oscillator/test_normalform_transformation_benchmark_vs_ssmlearn.ipynb b/examples/one_dof_oscillator/test_normalform_transformation_benchmark_vs_ssmlearn.ipynb
index 76cf46d..9340edb 100644
--- a/examples/one_dof_oscillator/test_normalform_transformation_benchmark_vs_ssmlearn.ipynb
+++ b/examples/one_dof_oscillator/test_normalform_transformation_benchmark_vs_ssmlearn.ipynb
@@ -57,7 +57,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "id": "eed2e15b",
    "metadata": {},
    "outputs": [],
@@ -68,7 +68,7 @@
     "\n",
     "\n",
     "def disp(idx, symObj):\n",
-    "    eqn = '\\\\[' + idx + ' ' + latex(symObj) + '\\\\]'\n",
+    "    eqn = '$$' + idx + ' ' + latex(symObj) + '$$'\n",
     "    display_latex(eqn,raw=True)\n",
     "    return"
    ]
diff --git a/ssmlearnpy/utils/postprocessing.py b/ssmlearnpy/utils/postprocessing.py
index 5af0a7b..e22d6df 100644
--- a/ssmlearnpy/utils/postprocessing.py
+++ b/ssmlearnpy/utils/postprocessing.py
@@ -8,7 +8,7 @@
 from ssmlearnpy.utils.preprocessing import insert_complex_conjugate
 
 def disp(idx, symObj):
-    eqn = '\\[' + idx + ' ' + latex(symObj) + '\\]'
+    eqn = '$$' + idx + ' ' + latex(symObj) + '$$'
     display_latex(eqn,raw = True)
     return
 
@@ -17,7 +17,7 @@ def dispMore(idx, symObj):
     for i in range(len(idx)):
         dispArray = dispArray + idx[i] + ' ' + latex(symObj[i])
         
-    eqn = '\\[' + dispArray + '\\]'
+    eqn = '$$' + dispArray + '$$'
     display_latex(eqn,raw = True)
     return