Announcements

  • factorize function in Julia.

  • HW3 posted, due Fri May 19 @ 11:59PM. Start early and make good use of office hours.

Last time

  • Cholesky decomposition (cont’d).

  • QR decomposition.

Today

  • Sweep operator.

  • Summary of linear regression.

  • Condition number.

  • Iterative methods: introduction.