fixed broken links

Author: fvarchon

qiskit/fundamentals/0_start_coding_with_qiskit.ipynb

@@ -220,7 +220,7 @@
     "### Step 4: Visualize the circuit <a name='step_4'></a>\n",
     "\n",
     "You can use `QuantumCircuit.draw()` to view the circuit that you have designed\n",
-    "in the [various forms](https://qiskit.org/documentation/api/qiskit.circuit.QuantumCircuit.html?highlight=qiskit%20circuit%20quantumcircuit%20draw#qiskit.circuit.QuantumCircuit.draw) used in many textbooks and research articles."
+    "in the [various forms](https://qiskit.org/documentation/stubs/qiskit.circuit.QuantumCircuit.draw.html#qiskit.circuit.QuantumCircuit.draw) used in many textbooks and research articles."
    ]
   },
   {
@@ -280,7 +280,7 @@
     "\n",
     "### Step 5: Simulate the experiment <a name='step_5'></a>\n",
     "\n",
-    "Qiskit Aer is a high performance simulator framework for quantum circuits. It provides [several backends](https://qiskit.org/documentation/apidoc/providers/aer/aer_backends.html) to achieve different simulation goals.\n",
+    "Qiskit Aer is a high performance simulator framework for quantum circuits. It provides [several backends](https://qiskit.org/documentation/apidoc/aer_provider.html#simulator-backends) to achieve different simulation goals.\n",
     "\n",
     "If you have issues installing Aer, you can alternatively use the Basic Aer\n",
     "provider by replacing `Aer` with `BasicAer`. Basic Aer is included in Qiskit\n",
@@ -390,14 +390,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<h3>Version Information</h3><table><tr><th>Qiskit Software</th><th>Version</th></tr><tr><td>Qiskit</td><td>0.14.0</td></tr><tr><td>Terra</td><td>0.11.0</td></tr><tr><td>Aer</td><td>0.3.4</td></tr><tr><td>Ignis</td><td>0.2.0</td></tr><tr><td>Aqua</td><td>0.6.1</td></tr><tr><td>IBM Q Provider</td><td>0.4.4</td></tr><tr><th>System information</th></tr><tr><td>Python</td><td>3.7.5 (default, Oct 25 2019, 10:52:18) \n",
-       "[Clang 4.0.1 (tags/RELEASE_401/final)]</td></tr><tr><td>OS</td><td>Darwin</td></tr><tr><td>CPUs</td><td>6</td></tr><tr><td>Memory (Gb)</td><td>16.0</td></tr><tr><td colspan='2'>Thu Dec 19 13:11:56 2019 EST</td></tr></table>"
+       "<h3>Version Information</h3><table><tr><th>Qiskit Software</th><th>Version</th></tr><tr><td>Qiskit</td><td>0.15.0</td></tr><tr><td>Terra</td><td>0.12.0</td></tr><tr><td>Aer</td><td>0.4.0</td></tr><tr><td>Ignis</td><td>0.2.0</td></tr><tr><td>Aqua</td><td>0.6.4</td></tr><tr><td>IBM Q Provider</td><td>0.4.6</td></tr><tr><th>System information</th></tr><tr><td>Python</td><td>3.8.1 (default, Jan  8 2020, 15:55:49) [MSC v.1916 64 bit (AMD64)]</td></tr><tr><td>OS</td><td>Windows</td></tr><tr><td>CPUs</td><td>4</td></tr><tr><td>Memory (Gb)</td><td>31.83771514892578</td></tr><tr><td colspan='2'>Thu Feb 20 15:21:07 2020 Romance Standard Time</td></tr></table>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -409,7 +408,7 @@
     {
      "data": {
       "text/html": [
-       "<div style='width: 100%; background-color:#d5d9e0;padding-left: 10px; padding-bottom: 10px; padding-right: 10px; padding-top: 5px'><h3>This code is a part of Qiskit</h3><p>&copy; Copyright IBM 2017, 2019.</p><p>This code is licensed under the Apache License, Version 2.0. You may<br>obtain a copy of this license in the LICENSE.txt file in the root directory<br> of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.<p>Any modifications or derivative works of this code must retain this<br>copyright notice, and modified files need to carry a notice indicating<br>that they have been altered from the originals.</p></div>"
+       "<div style='width: 100%; background-color:#d5d9e0;padding-left: 10px; padding-bottom: 10px; padding-right: 10px; padding-top: 5px'><h3>This code is a part of Qiskit</h3><p>&copy; Copyright IBM 2017, 2020.</p><p>This code is licensed under the Apache License, Version 2.0. You may<br>obtain a copy of this license in the LICENSE.txt file in the root directory<br> of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.<p>Any modifications or derivative works of this code must retain this<br>copyright notice, and modified files need to carry a notice indicating<br>that they have been altered from the originals.</p></div>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -424,6 +423,13 @@
     "%qiskit_version_table\n",
     "%qiskit_copyright"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
@@ -442,7 +448,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.5"
+   "version": "3.8.1"
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  "nbformat": 4,