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Matlab and Python Diaries Help with matlab and octave

Matlab and Python scripts or diaries for demos seen in class, or data/ scripts (for HWs):

• Dec. 07, 2023.
  • Dec07_2023 Matlab demos of Dec. 7 -- wich used:
  • demoPwrS.m optimal shift for power method [PrEx09]
  • QRHes.m QR algorithm for Hessenberg matrices (script)
  • givensRot.m Determines the Givens rotation
  • givensApp.m Applies Givens rotation
  • shift2.m Determines shift to use for QR algorithm
  
  
• Dec. 05, 2023.
  • Dec05_2023 Matlab demos of Dec. 5 -- wich used:
  • explCond.m
  • qrit.m basic QR iteration
  • qrs.m basic QR iteration with shifts
  
  
• Nov. 30, 2023.
  • Nov30_2023 Matlab demos of Nov. 30 -- wich used:
  • explCond.m
  • mark.m
  • powerit.m
  
  
• Nov. 28, 2023.
  • Nov28_2023 Matlab demos of Nov. 28 -- wich used:
  • explCond.m
  
  
• Nov. 21, 2023.
  • Nov21_2023 Matlab demos of Nov. 21 -- wich used:
  • trigtest1.m
  • blur1d.m
  • irDat.m
  
  
• HW5 data
  • SilvDam.mat Data for picture SilvDam used needed for HW5. Use: Load('SilvDam')
  
  
• Nov. 16, 2023.
  • Nov16_2023 Matlab demo of Nov. 16
  
  
• Nov. 14, 2023.
  • Nov14_2023 Matlab demo of Nov. 14 -- wich used:
  • run_me.m matrix set-up from Practice Exercise number 6.
  
  
• Nov. 9, 2023.
  • Nov09_2023 Matlab demo of Nov. 9 -- wich used:
  • hoLS.m - solving least-squares problem
  • hoApp.m - apply Householder transform to a vector
  • backsolv.m - upper triangular system solve.
  • HoQR -- was used but not shown [part of HW4]
  
  
• Nov. 7, 2023.
  • Nov07_2023 Matlab demo of Nov. 7 -- We used:
  • house.m function to build basic Householder transform
  • house1.m Alternative function to build Householder transform
  • housev.py This is the python version of house.m - If you need to you can also get the same function as house1.m by just uncommenting Line 18 and commenting out Line 19.
  
  
• Nov. 2, 2023.
  • Nov02_2023 Matlab demo of Nov. 2 -- We used:
  • mgsa.m modified Gram-Schmidt script
  • expl_P7_9.txt Data to interpolate from Expl. in page 7-9 of notes
  
  
• Oct 31, 2023. Here are the data files you will need for HW4:
  • hald.txt For question 4.
  • hw4_Q5_dat.txt For question 5.
  
  
• Oct 31, 2023
  • Oct31_2023 Matlab demo of Oct. 31 -- We used:
  • cgsa.m classical Gram-Schmidt script
  • mgsa.m modified Gram-Schmidt script
  
  
• Oct 26, 2023
  • Oct26_2023 Matlab demos of Oct. 26 Lecture
  
  
• Oct 24, 2023
  • Oct_24_2023_py Python demo of Oct. 24 -- We used :
  • spd3x3.txt file for matrix in example
  • ldlt.py LDLT factorization
  • cholR.py row - Cholesky factorization
  • ColChol.py Column- Cholesky factorization
  • cholR.m row - Cholesky in MATLAB - added for HW4
  
  
• Oct 19, 2023
  • Oct19_2023 Matlab demo of Oct. 19 --
  • Mtrx.txt file for matrix in example
  
  
• Oct 17, 2023
  • Oct17_2023 Matlab demo of Oct. 17 --
  
  
• Oct 12, 2023
  • Oct12_2023 Matlab demo
  
  
• Oct 5, 2023
  • Oct05_2023 Matlab demo of Oct. 05. I also showed the script gaussp.m
  
  
• Oct 3, 2023
  • Oct03_23 Matlab demo of Oct. 03 [in video recording] We used the script gaussj.m
  • Oct03_23_py Python demo of Oct. 03 [in video recording] We used the scripts in gauss.py along with init.py
  
  
• Sep 12, 2023
  • Sep12_2023 Matlab demo of Sep. 12th. We used the script ExEig.m
  
  
• Sep 7, 2023
  • Sep07_23 Matlab demo of Sep. 7th We used the script dat1.m
  • Sep07_23_py IPython demo of Sep. 7th We used the files dat1.py and Ex1_20