Day 44 in Mat225

Today:

• Return 6.5 problems.

• Return 7.1 problems.

• Questions/Comments on any old linalg thing, prior to an exam?

• The SVD:
  • WebSVD

  • section SVD summary

  • Some handouts:
    • The action of a matrix, decomposed
    • The SVD in action
    • We can define a "pseudo-inverse" using the SVD
    • NEW! Illustrating the SVD usded as an imaging tool ("skinning a matrix")

  • An animation of an application of SVD (original image -- two of the skateboarders are identical!)

• Evaluations