Bilibili1:07YouTube · 3Blue1BrownOriginal video
Algebra · English
Linear transformations and matrices | Chapter 3, Essence of linear algebra
Connect linear transformations with the columns of a matrix.
Reviewed learning material · Video analysis · English
The video connects linear maps with images of standard basis vectors and matrix columns, using rotations, shears and grid motion to explain matrix-vector multiplication.
Before you watch
- Basic understanding of vectors as directed quantities in 2D space
- Familiarity with Cartesian coordinate systems and grids
- Concept of linear combinations of vectors
- Understanding of standard basis vectors i-hat and j-hat
- Familiarity with vector addition and scalar multiplication
- Basic knowledge of Cartesian coordinate systems

