Fixed operator call

Author: manoelmarques

.gitignore

@@ -0,0 +1,20 @@
+
+__pycache__/
+.cache/
+
+.ipynb_checkpoints/
+
+Qconfig.py
+
+# editor files
+.vscode/
+.idea/
+
+# Distribution / packaging
+*.egg-info/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+.DS_Store

aqua/algorithm_introduction_with_vqe.ipynb

@@ -25,11 +25,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
-    "from qiskit.aqua import Operator"
+    "from qiskit.aqua.operators import WeightedPauliOperator"
    ]
   },
   {
@@ -43,7 +43,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -56,7 +56,7 @@
     "              ]\n",
     "}\n",
     "\n",
-    "qubit_op = Operator.load_from_dict(pauli_dict)"
+    "qubit_op = WeightedPauliOperator.from_dict(pauli_dict)"
    ]
   },
   {
@@ -74,14 +74,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "-1.857275030202378\n"
+      "-1.8572750302023797\n"
      ]
     }
    ],
@@ -106,14 +106,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "-1.8572750302023808\n"
+      "-1.8572750302023813\n"
      ]
     }
    ],
@@ -149,19 +149,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": null,
    "metadata": {
     "scrolled": true
    },
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "-1.8572750302012253\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "aqua_cfg_dict = {\n",
     "    'algorithm': {\n",
@@ -199,17 +191,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 29,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "-1.8572750301886618\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "from qiskit import BasicAer\n",
     "from qiskit.aqua.algorithms import VQE\n",
@@ -233,17 +217,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 31,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "-1.8572750302012366\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "from qiskit.aqua import QuantumInstance\n",
     "from qiskit.transpiler import PassManager\n",
@@ -290,7 +266,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.1"
+   "version": "3.6.8"
   }
  },
  "nbformat": 4,