Pathway VIII

VLinear algebra

Arrows, machines that move the plane, and the area they span.

1. 01VectorsAn arrow is direction plus length. Addition is walking tip-to-tail.4 min
2. 02Linear mapsA matrix is a machine that moves the whole plane at once.5 min
3. 03DeterminantSigned area of the parallelogram spanned by two vectors.4 min