Jordan Normal Form 1 | Overview

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  • Опубликовано: 24 янв 2025

Комментарии • 82

  • @brightsideofmaths
    @brightsideofmaths  9 месяцев назад +6

    Don't forget to download the PDF version with the link in the description! :)

  • @1tuface963
    @1tuface963 2 года назад +209

    the jordan normal form was discovered by the famous mathematician micheal jordan in 1987. jordan was also known for his basketball career. Because this topic is one that mathematic students like the most, the company nike established the jordan shoe in honor of this beautiful topic.

    • @brightsideofmaths
      @brightsideofmaths  2 года назад +22

      Nice work :)

    • @charlesdaugherty9155
      @charlesdaugherty9155 Год назад +4

      Is this true? What is happening 😳- I just slipped into a parallel universe I think!

    • @nachiketa9245
      @nachiketa9245 Год назад +17

      You forgot to mention that he was born in Jordan.

    • @charlesdaugherty9155
      @charlesdaugherty9155 Год назад

      Now the *World economic form is using it... it's everywhere.... I feel like Jim Carrey right now😆😆😆

    • @seneca983
      @seneca983 Год назад

      Just like the Foucault pendulum was invented by Michel Foucault.

  • @imatreebelieveme6094
    @imatreebelieveme6094 2 года назад +34

    Thanks for this. While German introductory maths courses often are very thorough on the theory, they often leave the specific algorithms to "figure it out on your own from the proof". This helps a lot.

  • @marlonabeln8234
    @marlonabeln8234 4 года назад +14

    I came across this when studying for a course. Really helped me understand the Jordan normal form.
    Thank you!!!!

    • @PunmasterSTP
      @PunmasterSTP 3 года назад

      How have your classes been going?

  • @newkid9807
    @newkid9807 4 года назад +14

    I just started reviewing linear algebra, this is epic.

  • @astyutechick7980
    @astyutechick7980 3 года назад +12

    Man this is GREAT! Really well explained and easy to understand, and amazing presentation! You got yourself a sub!

  • @HuyNguyen-fp7oz
    @HuyNguyen-fp7oz 3 года назад +5

    I love your video a lot!!! Formal lectures often lack of motivation behind math concepts. I hope you would make more video explain advanced math subjects like this!!!! Your work will inspire many many students around the world to fall in love with math.

  • @ar3568row
    @ar3568row Год назад +2

    Articulate, Concise, Perfect!

  • @matissesaint-ghislain1786
    @matissesaint-ghislain1786 4 года назад +1

    Thank you from France 🇫🇷 !!

  • @satheeshbrcm
    @satheeshbrcm 4 года назад +4

    Clear Explanation about Jordan form.. thx

  • @MrDor890
    @MrDor890 3 года назад +3

    Thank you so much!! Keeping me alive in this subject.

    • @PunmasterSTP
      @PunmasterSTP 3 года назад

      I take it you are a student, and if so, how have your studies been going?

  • @galqiwi
    @galqiwi 4 года назад +34

    Omg, I literally have an exam tomorrow on this topic, that was unexpected.

    • @galqiwi
      @galqiwi 4 года назад +4

      P.S. Thank you for your measure theory videos, they are awesome.

    • @PunmasterSTP
      @PunmasterSTP 3 года назад

      How did your exam go and how have your classes been going?

  • @matharya653
    @matharya653 Год назад

    it's an amazing presentation, great sir. I have learnt a lot from this video ❤❤

  • @madaaz6333
    @madaaz6333 4 года назад +4

    It's beautiful!

  • @putin_navsegda6487
    @putin_navsegda6487 2 года назад

    sir thank you for all you do! 😊

  • @MrLucario127
    @MrLucario127 3 года назад +2

    OMG! Thanks a lot!

  • @ma.hzadeh2776
    @ma.hzadeh2776 2 года назад

    Thank you! It really helped me!

  • @lunt5348
    @lunt5348 Год назад

    Love the video, it helps a lot thanks👌

  • @julioperezv.4614
    @julioperezv.4614 3 года назад +1

    thank you so much

  • @loo2355
    @loo2355 3 года назад +1

    Thank you!

  • @bhupendragupta3120
    @bhupendragupta3120 Год назад

    Good morning sir 🙏🙏🙏🙏🙏, very nice explanation sir, keep it continue

  • @vijaysinghchauhan7079
    @vijaysinghchauhan7079 Год назад

    hats off for the amazing lecture.

  • @sofiane90
    @sofiane90 4 года назад +2

    Can you explain why there's 1 over the diagonal ?

  • @eugenethegod
    @eugenethegod 3 года назад +1

    Thank you very much sir very nice video very good.

  • @johnkay1952
    @johnkay1952 2 года назад

    Great video, thank you!

  • @AB-uf5js
    @AB-uf5js 9 месяцев назад +2

    5:47 Size of Jordan block corresponding to some eigenvalue isn't equal to its algebraic multiplicity. For one eigenvalue there can be (but don't have to be) more corresponding Jordan blocks and sum of their sizes is equal to algebraic multiplicity of a given eigenvalue.

    • @brightsideofmaths
      @brightsideofmaths  9 месяцев назад +1

      Maybe you didn't see the difference between Jordan blocks and Jordan boxes?

  • @jaredjones6570
    @jaredjones6570 3 года назад +1

    What do you do with step 3 once the dim of ker matches the algebraic multiplicity after some power of (A-lambda*I) ? How do I use that to determine which jordan normal form is correct? (Edit: I will watch the next videos in the series so if it's answered there, thanks in advance)

  • @PunmasterSTP
    @PunmasterSTP 3 года назад

    Jordan normal form? More like "Jeez, I wish this level of education were the norm!" Thanks for making such interesting and accessible videos.

  • @jasonbroadway8027
    @jasonbroadway8027 2 года назад +1

    Update: I now understand the video. I do not entirely understand the reason for the placement of the 1's, but I can follow the algorithm.

  • @cantorbernoulli4407
    @cantorbernoulli4407 7 месяцев назад

    Thanks legend !

  • @areaofthepyramid8336
    @areaofthepyramid8336 3 года назад +1

    Wow, this is great

  • @geethamonnappa4645
    @geethamonnappa4645 2 года назад

    you really explained well thank you

  • @pramilakumari9130
    @pramilakumari9130 4 года назад +1

    Love from India😍

  • @shaliniverma9057
    @shaliniverma9057 2 года назад

    Thank you sir

  • @mauricioconlaparva
    @mauricioconlaparva Год назад

    Great explanation :)

  • @warrevdb6987
    @warrevdb6987 Год назад

    So for the example with the 2 jorden boxes in the jordan blok with the 3's how do you know which one is the correct jordan form and on what does it depend? could someone explain pls.

  • @ThuongPham-wg4bc
    @ThuongPham-wg4bc 2 года назад

    I wonder why when calculating the power of A, we just calculate the power of D. How about the power of X and X^-1? 1:45

    • @brightsideofmaths
      @brightsideofmaths  2 года назад

      You see this for the third power:
      A^3 = X J X^{-1} X J X^{-1} X J X^{-1}

    • @ThuongPham-wg4bc
      @ThuongPham-wg4bc 2 года назад

      @@brightsideofmaths Thank you sir. X^{-1}.X could be simplified to Identity matrix, so in the end we have X.J^3.X^{-1}, right?

  • @lordself
    @lordself 3 года назад +2

    what book are you using

    • @brightsideofmaths
      @brightsideofmaths  3 года назад +2

      I don't use a book. I have written my own lecture notes (where I reference some books). You can find it on my website.

    • @lordself
      @lordself 3 года назад +2

      @@brightsideofmaths thank's for ask

  • @utkudenizaltiok860
    @utkudenizaltiok860 4 года назад +2

    What is geometric multiplicity you didn't explain

    • @brightsideofmaths
      @brightsideofmaths  4 года назад +3

      Dimension of the corresponding eigenspace. In part 2, I calculate an example :)

  • @janvinarula4908
    @janvinarula4908 4 года назад +1

    It's helpful

  • @calberk1737
    @calberk1737 3 года назад

    Where do the ones come from?

  • @zingywingy
    @zingywingy 3 года назад +1

    Thank you.

  • @ArpanDasgupta-q4n
    @ArpanDasgupta-q4n 9 месяцев назад

    I love you

  • @Jkfgjfgjfkjg
    @Jkfgjfgjfkjg 4 года назад +1

    What kind of accent is that?

  • @suriyars4487
    @suriyars4487 Год назад

    You are just telling how to write Jordan normal form , but how does it come ?

    • @brightsideofmaths
      @brightsideofmaths  Год назад

      Therefore 4 parts and a whole linear algebra course on the channel :D

  • @gabrielhaeser4061
    @gabrielhaeser4061 4 года назад +2

    cake-u-late (nice video!)

  • @Albeit_Jordan
    @Albeit_Jordan 3 года назад +1

    I must be the Jordan abnormal form

  • @matyezda
    @matyezda 4 года назад +1

    watching this the night before the exam: 🐵

  • @GKinWor
    @GKinWor 3 года назад +1

    thanks much! anyone in math110 at berkeley lol

    • @PunmasterSTP
      @PunmasterSTP 3 года назад

      I didn't go to Berkeley, but how have your studies been going?