Add material on xarrays library

gjbex · gjbex · commit 45bbefd50889 · 2020-12-10T11:14:48.000+01:00
diff --git a/source-code/README.md b/source-code/README.md
@@ -34,3 +34,5 @@ to create it.  There is some material not covered in the presentation as well.
 * [`matrices`](matrices): some numpy illustrations.
 * [`numpy`](numpy): some numpy and scipy illustrations.
 * [`sympy`](sympy): some illustrations of doing symbolic computations using sympy.
+* [`xarray`](xarray): introduction to `xarray`, a library for indexed, labeled
+  N-dimensional arrays.
diff --git a/source-code/xarray/.gitignore b/source-code/xarray/.gitignore
@@ -0,0 +1 @@
+*.nc
diff --git a/source-code/xarray/README.md b/source-code/xarray/README.md
@@ -0,0 +1,8 @@
+# Xarray
+
+xarray is a Python package to represent numerical data with metadata.  In that respect it is
+a hybrid between numpy and pandas.
+
+## What is it?
+
+1. `xarray_intro.ipynb`: Jupyter notebook introducing some of xarray's features.
diff --git a/source-code/xarray/xarray_intro.ipynb b/source-code/xarray/xarray_intro.ipynb
