Linear Algebra · Linear algebra
Matrices as Transformations
Read a matrix as a function that moves space: columns show where basis vectors land, scaling, rotation, shear and reflection, linearity, and applying a matrix to a vector.
Step 1 of 5 · Overview30 min read ·
Key idea
Prereqs: Vectors. Next: Matrix multiplication; Determinants. Sources: 3Blue1Brown, *Essence of Linear Algebra* ch. 3; Gilbert Strang, *Introduction to Linear Algebra*.Next: 1. Key idea