Update notebook dependencies

Author: marcos-dv

authors/glebbelov/nonlinear/min_pairwise_distance_ratio/min_pairw_dist_ratio.ipynb

@@ -31,7 +31,7 @@
    "outputs": [],
    "source": [
     "# Install dependencies\n",
-    "%pip install -q amplpy pandas"
+    "%pip install -q amplpy pandas matplotlib"
    ]
   },
   {

authors/glebbelov/scheduling/color_change/color_change_scheduling.ipynb

@@ -32,7 +32,7 @@
    "outputs": [],
    "source": [
     "# Install dependencies\n",
-    "%pip install -q amplpy pandas"
+    "%pip install -q amplpy pandas matplotlib"
    ]
   },
   {

authors/jpbohorquez/generation_portfolio/generation_portfolio.ipynb

@@ -41,7 +41,7 @@
    "outputs": [],
    "source": [
     "# Install dependencies\n",
-    "%pip install -q amplpy pandas matplotlib openpyxl"
+    "%pip install -q amplpy pandas matplotlib openpyxl ipywidgets"
    ]
   },
   {