Computing Dimension of Null Space & Column Space

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  • เผยแพร่เมื่อ 27 ส.ค. 2024

ความคิดเห็น • 15

  • @andrewfalcone2701
    @andrewfalcone2701 5 ปีที่แล้ว +31

    When you solve for x3 shouldn't you get x3 = -3x4 = -3t?
    I think the 1 and -3 should be switched for the second basis vector t* (0, 0, 1, -3)

    • @Emperor_Ape
      @Emperor_Ape 2 ปีที่แล้ว

      Yes, it seems he made an error.

    • @sindrestokke79
      @sindrestokke79 4 หลายเดือนก่อน

      I am so glad someone in the comments pointed out this error, as I wondered about it myself, without being confident enough to assume he was wrong. 😅

    • @bernarddoherty4014
      @bernarddoherty4014 11 วันที่ผ่านมา

      Yes indeed! See even the pros muff a simple ground ball from time to time. Simple mistake.

  • @mr.dumpling9241
    @mr.dumpling9241 5 ปีที่แล้ว

    Mr. B, I just want to say that your Linear Algebra playlist has helped me really understand Linear Algebra. You break everything down into simple, understandable pieces, and then reassemble it all later, without disregarding the big picture of what it is we're doing. Thanks so much for putting in the time to make these videos! Best Linear Alegebra playlist, by far.

  • @YashTrivedi21
    @YashTrivedi21 3 ปีที่แล้ว +5

    Your single video is better than my professor's whole teaching career. Thank you very much. :)

    • @DrTrefor
      @DrTrefor  3 ปีที่แล้ว +3

      Haha well that sucks for them but thank you:D

  • @anonymous-wd2yw
    @anonymous-wd2yw ปีที่แล้ว +1

    wish i could be this excited when solving matrices

  • @user-vi6vl6zq7c
    @user-vi6vl6zq7c 4 หลายเดือนก่อน

    thank you so much

  • @cachah216
    @cachah216 5 ปีที่แล้ว +2

    why do you have so few followers?! So much better than my prof!!

  • @shreyasgosavi9647
    @shreyasgosavi9647 3 ปีที่แล้ว

    2:05 But there are m components in the basis vector ... So to represent them there should be M-dimensions right?

  • @vikar7826
    @vikar7826 2 ปีที่แล้ว

    I am confused as to how something with infinite number of solutions be considered linearly independent

  • @sina.apfelsine
    @sina.apfelsine 3 ปีที่แล้ว +1

    thänks :)

  • @rxnin
    @rxnin 5 ปีที่แล้ว +1

    Legenddd

  • @maxwelljarman7785
    @maxwelljarman7785 2 ปีที่แล้ว

    Isn’t it (0,0,1,-1/3)