Linear Algebra
Matrices as transformations you can picture, not tables you manipulate.
$10 to $12 a month, per tutor
Someone here teaches Linear Algebra.
Subscribe to them and every lesson, note and quiz they publish for this course opens, with an email whenever a new one lands.
What you walk out with
- See what a matrix does geometrically
- Compute eigenvalues without dread
- Connect rank, null space, and solvability
- Apply it to ML without hand-waving
- 24
- lessons
- 18h
- of live time
- 29
- tutors on it
The pathway
6 units to linear algebra.
Start at unit one and keep going, or jump to the unit that is actually on your exam. About 10 hours of live teaching end to end.
Vectors and spans
The mental model everything else sits on.
Unit 1 of 6 · 80 min
Matrices as maps
Multiplication as composition.
Unit 2 of 6 · 90 min
Elimination and rank
Solving systems, and knowing when you cannot.
Unit 3 of 6 · 100 min
Determinants
Volume scaling, and why zero matters.
Unit 4 of 6 · 70 min
Eigenvectors
The directions a transformation leaves alone.
Unit 5 of 6 · 120 min
Applications
PCA, Markov chains, and least squares.
Unit 6 of 6 · 110 min
End of the pathway. You can teach this back.
%20Prima%20pars%20huius%20libri%20de%20cosmographi%C3%A6%20%26%20geographi%C3%A6%20principiis.%20(5%20(IA%20dr%20text-page-to-prima-pars-huius-libri-de-cosmographi-geographi-principi-14336011).jpg?width=400 "An antique treatise on geometry open at a diagram — Peter Apian and Gemma Frisius · Public domain")
