diff --git a/algorithm/interactive.ipynb b/algorithm/interactive.ipynb
index f5764e3..8a6b827 100644
--- a/algorithm/interactive.ipynb
+++ b/algorithm/interactive.ipynb
@@ -12,14 +12,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 2,
    "id": "0a5c51d2-8b18-4143-b6f1-73a909ccb623",
    "metadata": {},
    "outputs": [
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "923a9d77eecb4d78ade9e3113cf636c0",
+       "model_id": "7a9a1093220546d3b7e4cd7606a7c704",
        "version_major": 2,
        "version_minor": 0
       },
@@ -33,7 +33,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "c2252623a38940f0a80471ec28e491d3",
+       "model_id": "11824eb29354454eb05a41c4fd7e6539",
        "version_major": 2,
        "version_minor": 0
       },
@@ -47,7 +47,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "778d4e34c4ae4b0d8f2f1b4e0d3c1173",
+       "model_id": "23bd6107b7ea4f8280ab57d100ab4619",
        "version_major": 2,
        "version_minor": 0
       },
@@ -65,14 +65,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 3,
    "id": "15c6e757-cde3-422b-be7e-3f55b7752142",
    "metadata": {},
    "outputs": [
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "298df33c058b49e6927e582d532bb87b",
+       "model_id": "f3cbcf4a398647d787391f02fea55a8e",
        "version_major": 2,
        "version_minor": 0
       },
@@ -86,7 +86,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "47315c498b9a46fd9948fd7a53d3e80a",
+       "model_id": "c12e073565ee4053b890cd4dcded4610",
        "version_major": 2,
        "version_minor": 0
       },
@@ -100,7 +100,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "0cab52875285496a989f685de24515cb",
+       "model_id": "3be9b459745d48dd9c367b5a7866c2bc",
        "version_major": 2,
        "version_minor": 0
       },
diff --git a/algorithm/optimization/.ipynb_checkpoints/gd-checkpoint.py b/algorithm/optimization/.ipynb_checkpoints/gd-checkpoint.py
index c794080..3ac8420 100644
--- a/algorithm/optimization/.ipynb_checkpoints/gd-checkpoint.py
+++ b/algorithm/optimization/.ipynb_checkpoints/gd-checkpoint.py
@@ -44,14 +44,7 @@ class gradient_descent_1d(object):
         self.params_rvbox = widgets.VBox([self.wg_epsilon, self.wg_max_iter])
         self.params_box = widgets.HBox([self.params_lvbox, self.params_rvbox], description="Parameters")
         self.button_box = widgets.HBox([self.button_compute, self.button_plot], description="operations")
-        self.config = widgets.VBox([self.params_box, self.button_box],
-                                  layout=widgets.Layout(
-                                    display='flex',
-                                    flex_flow='column',
-                                    border='solid 2px',
-                                    align_items='stretch',
-                                    width='auto'
-                                ))
+        self.config = widgets.VBox([self.params_box, self.button_box])
         self.initialization()
         
         
@@ -194,6 +187,13 @@ class gradient_descent_2d(object):
                                       buttons=[dict(label="Play",
                                                     method="animate",
                                                     args=[None])])])
+            fig.update_layout(
+                scene = {
+                  "xaxis": {"nticks": 20},
+                  "zaxis": {"nticks": 4},
+                  'camera_eye': {"x": 0, "y": -1, "z": 0.5},
+                  "aspectratio": {"x": 1, "y": 1, "z": 0.2}
+                })
             fig.show()
             
             
diff --git a/algorithm/optimization/__pycache__/gd.cpython-310.pyc b/algorithm/optimization/__pycache__/gd.cpython-310.pyc
index 33198ff..7b5f97c 100644
Binary files a/algorithm/optimization/__pycache__/gd.cpython-310.pyc and b/algorithm/optimization/__pycache__/gd.cpython-310.pyc differ
diff --git a/algorithm/optimization/gd.py b/algorithm/optimization/gd.py
index c794080..a8f1bd0 100644
--- a/algorithm/optimization/gd.py
+++ b/algorithm/optimization/gd.py
@@ -12,7 +12,7 @@ from tqdm import tqdm
 
 import plotly.graph_objects as go
 import plotly.io as pio
-pio.renderers.default = 'iframe' # or 'notebook' or 'colab' or 'jupyterlab'
+pio.renderers.default = 'notebook' # or 'notebook' or 'colab' or 'jupyterlab'
 
 import warnings
 warnings.filterwarnings("ignore")
@@ -44,14 +44,7 @@ class gradient_descent_1d(object):
         self.params_rvbox = widgets.VBox([self.wg_epsilon, self.wg_max_iter])
         self.params_box = widgets.HBox([self.params_lvbox, self.params_rvbox], description="Parameters")
         self.button_box = widgets.HBox([self.button_compute, self.button_plot], description="operations")
-        self.config = widgets.VBox([self.params_box, self.button_box],
-                                  layout=widgets.Layout(
-                                    display='flex',
-                                    flex_flow='column',
-                                    border='solid 2px',
-                                    align_items='stretch',
-                                    width='auto'
-                                ))
+        self.config = widgets.VBox([self.params_box, self.button_box])
         self.initialization()
         
         
@@ -194,6 +187,13 @@ class gradient_descent_2d(object):
                                       buttons=[dict(label="Play",
                                                     method="animate",
                                                     args=[None])])])
+            fig.update_layout(
+                scene = {
+                  "xaxis": {"nticks": 20},
+                  "zaxis": {"nticks": 4},
+                  'camera_eye': {"x": 0, "y": -1, "z": 0.5},
+                  "aspectratio": {"x": 1, "y": 1, "z": 0.2}
+                })
             fig.show()
             
             
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..f4a1937
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+sympy
+plotly
+ipywidgets 
\ No newline at end of file