Hands on "Introduction to Firedrake" tutorial

The tutorials presented here are intended to be run on Google Colab.

1. Navigate to https://colab.research.google.com, logging in to your Google account if required.

2. The open notebook dialog may appear automatically. If not, select "Open notebook" from the "File" menu.

3. Select "GitHub" in the orange bar at the top of the dialog.

4. Type jwallwork23/firedrake-tutorial on the search line.

5. Run the desired tutorial. Colab may warn that the notebooks are not from Google, you should dismiss this warning.

Thanks to Francesco Ballerin and his FEM on Colab package for making Firedrake run seamlessly on Colab.