Add material on NumPy library (#163)

* Add intro.

* Add a section on ndarray.

* Add exercises for the ndarray creation section.

* Add dtype section with exercises.

* Add a section on indexing, slicing, and iterating.

* Add section on other attributes and methods of ndarray.

* Add exercises on indexing, slicing, and iterating. Also add section on axis argument.

* Add missing sections headers.

* Add section on vectorized operations.

* Started to write a section on NumPy routines, added some exercises.

* Add a section on NumPy routines.

* small change.

* fix

* Added broadcasting example.

* Add NumPy library to the index.

* Add the advanced indexing section.

* Move some exercises from scipy to numpy.

* Add exercises on vectorized operations.

* Add solutions to the final exercises.

* fix example description.

---------

Co-authored-by: Simone Baffelli <simone.baffelli@empa.ch>

Author: yakutovicha

index.ipynb

@@ -24,6 +24,7 @@
     "\n",
     "# Libraries\n",
     "\n",
+    "- [NumPy](./library_numpy.ipynb)\n",
     "- [scikit-learn](./library_sklearn.ipynb)\n",
     "- [SciPy](./library_scipy.ipynb)"
    ]
@@ -45,7 +46,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.10"
+   "version": "3.11.1"
   }
  },
  "nbformat": 4,