Linear Algebra: Rotation in R3 and Unit Vectors

A series of linear algebra lectures given in videos by Khan Academy.

 

 

Rotation in R3 around the X-axis
Construction a rotation transformation in R3

 

 

Unit Vectors
What unit vectors are and how to construct them

 

 

Introduction to Projections
Determining the projection of a vector on s line

 

 

Expressing a Projection on to a line as a Matrix Vector product

 

 

 

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