Merge branch 'DE1' into 'master'

Differential Equations Lecture 1

See merge request !8

mkdocs.yml

@@ -6,12 +6,15 @@ site_description: |
   Lecture notes for TN3105 - Mathematics for Quantum Physics
 nav:
   - Intro: 'index.md'
+  - Coordinates: 'coordinates.md'
   - Complex Numbers: '1_complex_numbers.md'
   - Coordinates: '2_coordinates.md'
   - Vector spaces: '3_vector_spaces.md'
   - Vector spaces in quantum mechanics: '4_vector_spaces_QM.md'
   - Operators in quantum mechanics: '5_operators_QM.md'
   - Eigenvectors and eigenvalues: '6_eigenvectors_QM.md'
+  - Differential equations 1: '7_differential_equations_1.md'
+
 theme:
   name: material
   custom_dir: theme