Math/Comp 128 and Math 250 Fall 2007

First homework assignment , due end of class, Sept. 12.
Solutions to first homework assignment.
Second homework assignment , due end of class, Sept. 19.
Solutions to second homework assignment. *NOTE THE ALGORITHM in number 7 the definition of a(i) in part 2 should have a A(index1:index2,i), not A(index1:index2,:) in it.
Third homework assignment , due end of class, Sept. 26.
Solutions to third homework assignment.
Fourth homework assignment , due end of class, Oct. 17.
ans key to assignment 4.
Fifth homework assignment , due end of class, Oct. 24.
Solutions to fifth homework assignment (except I used the wrong matrix for problem 4 - will correct this!)
Sixth homework assignment , due end of class, Oct. 31.
Solutions to 6th assignment
Seventh homework assignment , due end of class, Nov. 6
Ans. to 7th homework assignment

First set of lecture notes covering intro/background, book chapters 1-3. Note the first set of notes is over more than one class lecture!
Second set of lecture notes covering book chapter 4-5.
Third set of lecture notes covering book chapter projectors (chapt. 6).
Fourth set of lecture notes covering QR decomposition via GS (With Revisions! Oct. 2).
Fifth set of lecture notes : compare MGS and CGS, Householder reflectors
Sixth set of lecture notes : Least squares, conditioning and stability
Seventh set of lecture notes : floating point arith., conditioning, stability
Eigth set of lecture notes : Gaussian elimination, Cholesky decomposition
Set 9 of lecture notes : Eigenvalues, eigenvectors, eigencomputation part 1 (need to change last term in char. poly example to z^2
Set 10 of lecture notes : Eigenvalues, eigenvectors, eigencomputation part 2
Eleventh of lecture notes : Eigencomputation part 3 (updated Nov. 7)
Set 12 of lecture notes : applications/examples for eigen-information
Set 13 of lecture notes : SVD computation

bisection.m algorithm for helping to find eigenvalues of a symmetric tridiagonal matrix, user must provide the shift(s).