In my first year at Imperial College London, I wrote summary notes for all the modules in the Maths half of the Joint Maths & Computing degree. They are available for download below, and are hosted on my GitHub. Be warned - they are unofficial.
Differential Equations Cheatsheet
| M1F | Foundations of Analysis | Summary Notes |
| M1M1 | Mathematical Methods 1 | Summary Notes |
| M1J1 | Applied Methods and Linear Algebra | Summary Notes |
| M1J2 | Algebra and Analysis | Summary Notes |