Linear Algebra: What Matrices Actually Are
A plain-language explainer revealing what matrices really are: linear transformations of space, which finally makes the odd rules of matrix multiplication make sense.
No account needed · sign in to keep your taste everywhere
More like this
Pages that share this page's themes. Or browse all of Education.
Graphical Linear Algebra
A long-running blog that rebuilds linear algebra with diagrams and string-diagram rules, explained in friendly episodes…
Matrix Calculator
An online matrix calculator that handles addition, multiplication, inversion, determinants, rank, and LU decomposition,…
The Matrix Arcade
A visual explorable of matrices and linear transformations, where you drag vectors and grids around a playground to buil…
MatrixOP
A real-time matrix calculator that solves matrix problems step by step and annotates each operation with comments, usefu…
Rotations and Balls in Even Dimensions
A math essay on how rotations behave in even dimensions and what that means for the balls they act on, written for reade…
Linear Algebra Done Right
The companion site for Sheldon Axler's proof-based linear algebra textbook, offering the book for free along with extra…
Stumble onto more like this
One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.
Add to Browser — it's freeWorks in Chrome, Edge and Brave. No account needed.