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MACM316

edited May 2013 in General

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  • Your questions, comments or suggestions are welcome!
  • It's honestly not as hard as people say it is. I had Dr. Walsh and she was a brilliant professor. It's easier than MACM201. Just review your notes every day and you'll be fine. Some of the material builds upon the earlier stuff you learn, so make sure you understand it well. Taylor's polynomial is one you should know by heart. 

    You use MATLAB, some minor programming stuff in there. You work with problems that requires lots of iterations, and MATLAB simplifies it. Go to office hours and you'll be fine. Some of the equations you work with can expand to infinite if you want. It's something that I had a hard time understanding at first. You just have to understand when to cut it off and use what you need to converge. 
  • macm 201 wasn't hard for me. 316 better be a piece of cake when i need to take it
  • Do you think assignment 3 is too long? Because our midterm is also on the assignment due date. 
  • For question 4a on Section 6.2, if I find that the maximal value on column 1 is 13, and the multiplier is m11 = a11/a11 = 1, what should I do next? Do I move onto the next column until I get a multiplier that is smaller than 1?
    Thank you very much.
  • ex4a p380 /partial pivoting/


    13  17   1  |5
     0   1  19  |1
     0  12  -1  |0

    first row, look entries below a11

    max (13, 0 0) = 13

    we keep the first row

    13  17   1  |5
     0   1  19  |1
     0  12  -1  |0

    second row, look entries below a22

    max (1 12) = 12

    we interchange rows L2 and L3

    13  17   1  |5
     0  12  -1  |0
     0   1  19  |1

    L3 <--- L3 - 1/12 * L2
  • Will all the topics be covered before this Friday? I just found that we still have something we haven't been taught, and the midterm is just this Friday, so it will have no time to prepare the new staff. I haven't seen this situation before.
  • There are way too many questions on these assignments.
    How on earth are we supposed to do all this? 
    And its due the day of the midterm...
    We have other courses too
  • It would also be nice to have some matrices fully worked out step by step for the pivoting methods
    besides the one example in the text book. 
  • There are step by step work on the website that written be our prof.
  • partial pivoting example added
  • To people who have taken macm 316 and 201: why do people say 201 is harder? I'm taking it next semester and I just barely survived macm 101, lol
  • I didn't think macm 201 was difficult, but I did well in macm 101 as well. It is definitely very mathy. I think in my class the recursion problems were the worst. But practice enough and they're not that hard. Yeah I loved the class though. Umm the graph theory section requires a lot of memorization, I think that was the worst part for me. Just do lots of practice problems and you'll be fine. You will build on all the combinatoric stuff a bit from macm 101 so hopefully you haven't forgotten that yet.
  • Wtf is this shit
  • Hello Dr, Gostaf,

    I have been facing some difficulties with the least squares polynomials. Therefore, if you upload an example of this to the class notes would be great.

    Thank you
  • see the 'Class notes' page
    Example: Least squares approximation

    Office hours:
    Wed @ 11:30 - 13:00, room K9512.1

  • Hello Dr. Gostaf, do we allow the cheat sheet in next quiz on Monday?
  • edited August 2013
    Hello Dr. Gostaf, could you please upload the solutions of the last assignment with the required steps. Posting just the final solutions does not help. 

    Thank you very much 
  • see the "class notes" link. Solution to : Sec 5.2 Ex9 page 274

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