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Linear Algebra: Projection Matrix

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

Lin Alg: A Projection onto a Subspace is a Linear Transformation
Showing that a projection onto a subspace is a linear transformation

Linear Algebra: Subspace Projection Matrix Example
Example of a transformation matrix for a projection onto a subspace

Another Example of a Projection Matrix
Figuring out the transformation matrix for a projection onto a subspace by figuring out the matrix for the projection onto the subspace's orthogonal complement first

Linear Alg: Projection is closest vector in subspace
Showing that the projection of x onto a subspace is the closest vector in the subspace to x

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