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• Applications of matrix computations, fall 2015

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The exercise assistant are Zenith Purisha and Topias Rusanen.

Exercise 1: PDF, LaTeX (note that a couple of typos were corrected and the files updated on Thursday, October 29, 2015, at 13:57).

Model solution 1

Exercise 2: PDFLaTeXxray_pencilbeam.epsXray_pencilbeam2.eps
You will need these files for doing the exercises: SeaView.jpgDataFitExample1.mWaterBoilingData.m

The calculation of power of the electric kettle is around 1750 - 1950 Watts. (The nominal power of the device is 2000W.)

NOTES:
The exercise file was updated on November 6, 2015. Only Problem 3 was changed in the update.
The exercise file was updated on November 11, 2015. A little typo in Problem 1 was corrected.

Model solution 2

Exercise 3: PDFkissa.m

NOTES:
The exercise file was updated on November 18, 2015. Only Problem 3 was changed in the update.

Model solution 3

Exercise 4: PDF
You will need these files for doing the exercises: MysteryNumber.m4aMyDScol.mMyDS2.m

Clue for exercise 1c: clue1_c.m

Datafile for assignment 4: phonedata.mat
You can load it with command "load phonedata.mat" in the correct folder. It contains two variables, mysnum and phone, which one obtains when audioread-command is run with the given audio files as an argument.

Exercise 5: Exercise05.pdf

You will need these files for doing the exercises: circle.mPCA2.mPCA4.mPCA3D_comp.mdatapoints.mat, PCA3D_plot.m

The 16th data of MapleLeafLandmarks.mat was wrongly input. Exclude this in calculation.

Model solution 5

Image RemovedImage RemovedExercise 6Exercise06.pdfHippoR.pngHippoR2.pngPeriodicFun1.m

Image Removed The point spread function in the 3rd task should be (1/h)[1 -1]'.

Image Removed Because the teachers are participating the Inverse Days next week December 8 - 10, there will be no assistance class. The dateline for submission of the last exercise will be prolonged until Friday 18 December 2015 at 23.59.

Image Removed The last exercise class is held on Thursday 17.12 at 12 - 2 pm

Score from the exercises 1 - 3:

Score29_11.pdf

Score from the exercises 4 - 6:

Score21_12.pdf

Also the final list includes extra score from volunteering to measure water kettles (M) and collection of maple leaves (L).