Sample scripts; diaries of class demos; data+scripts for HWs; etc.:

• Apr20 Diary of the demo seen in the lecture of April 20th - related to Gram-Schmidt and QR. Files/scripts invoked:
  • cgsa.m classical Gram-Schmidt algorithm

• Apr18 Diary of the demo seen in the lecture of April 18th - related to least-squares and data fitting. Files/scripts invoked:
  • tbl.dat recommender system example
  • msales.mat sales data for data fitting example
  • msales_info some info on msales data

• Apr16 Diary of the demo seen in the lecture of April 16th - related to least-squares and data fitting. Files/scripts invoked:
  • exp14_18.m
  • marathon.m
  • Xdatfit.mat

• Data for HW4
  • usPop.dat US population data for question 8 of HW 4.
  • X.mat Matrix for question 10 of HW 4.

• Apr06 Diary of the demo seen in the lecture of April 6th - related to homogenized coordinates and transformations in a plane.

• Mar23 Diary of the demo seen in the lecture of Mar 23 - related to areas and parallelograms

• H3Q10.mat Matrix for Homework~3 - Question 10. Command load('H3Q10') will load a 5x5 matrix A.

• Data for HW2
  • H2PRmat.mat Matrix for Homework~2 - Question 7.
  • MatHw2.mat Matrix for Homework~2 - Question 5.

• Feb14 Diary of the demo seen in the lecture of Feb 14 - related to examples of applications and pagerank. You will need
  • markovExample.m matrix set up for population migration example.
  • H2PRmat.mat Matrix for Homework~2.

• Feb09 Diary of the demo seen in the lecture of Feb 9th - related to Practice Exercise 6. You will need:
  • PrEx06.dat Data for Practice Exercise 06.

• Feb07 Diary of the demo seen in the lecture of Feb 7th - related to Practice Exercise 4. You will need:
  • PrEx05 Data for Practice Exercise
  • P5_21.dat Data for example in P. 5-21 of notes.

• Feb02 Diary of the demo seen in the lecture of Feb 2 - related to Practice Exercise 4. You will need:
  • PrEx04.m Script setting the example

• Jan26 Diary of the demo seen in the lecture of Jan 26 - related to Practice Exercise 2. You will need:
  • PrEx01.m Script setting the example
  • gauss.m Gaussian elimination script
  • gaussp.m Gaussian elimination with pivoting
  • gaussj.m Gauss-Jordan elimination script
  • backsolv.m Backward solve for triang. systems

• Jan24 Diary of the demo seen in the lecture of Jan 24. [Gaussian elimination, pivoting, Gauss-Jordan]. You will need the folling scripts:
  • gauss.m Gaussian elimination script
  • gaussp.m Gaussian elimination with pivoting
  • gaussj.m Gauss-Jordan elimination script
  • backsolv.m Backward solve for triang. systems

• Jan22 Diary of the demo seen in the lecture of Jan 22. [basic intro]

• Jan17 Diary of the demo seen in the lecture of Jan 17. [on the square root]