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Linear Algebra Example Problems - Spanning Vectors #1

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  • čas přidán 7. 03. 2015
  • adampanagos.org
    Course website: www.adampanago...
    In this problem we work with the vectors v1 and v2 and determine if the set {v1, v2} spans R2.
    If the set of vectors {v1,v2} spans R2, then ANY vector from R2 can be written as a linear combination of these vectors. To see if this is true, an arbitrary vector from R2 is selected an and an augmented matrix is constructed and solved.
    If you enjoyed my videos please "Like", "Subscribe", and visit adampanagos.org to setup your member account to get access to downloadable slides, Matlab code, an exam archive with solutions, and exclusive members-only videos. Thanks for watching!

Komentáře • 54

  • @ducksoop.x
    @ducksoop.x Před 4 lety +8

    Been staring at my textbook for an hour and this video finally got it through my head. Thanks.

  • @hectorramirez626
    @hectorramirez626 Před 6 lety +14

    Wow.
    Always had trouble fully understanding this concept until watching this video, I always wondered what it meant and not until I watched this video did I fully grasp the concept. Very well explained. Thank you!

  • @catarina2289
    @catarina2289 Před 6 lety +16

    Oh! very well explained. At last, I was able to get the problem and was able to solve it. Thank you so much! More videos to come.

    • @AdamPanagos
      @AdamPanagos  Před 6 lety

      Glad you were able to get it figured out. Best!

  • @parassharma105
    @parassharma105 Před 5 lety +8

    You are a legend for putting so much effort & time into making all these videos. The best thing about you is the format & presentation, whatever tool you are using it's great. It's so clear, precise and you explain so good. THANKS AGAIN SIR!

  • @ashutoshkumarjha41
    @ashutoshkumarjha41 Před 3 lety +2

    Simple and glittering way of explaining.

  • @mtb8300
    @mtb8300 Před 6 lety +1

    This video is fantastic, I also love the fact that we don't have to sit around waiting for you to write things, I hate that in other math videos.

  • @Clairesuismoimaispas
    @Clairesuismoimaispas Před 6 lety +3

    Thank you Prof Panagos! This Linear Algebra series is great!! Really helpful! Would you please do more Advanced Algebra videos? I am a Math major student and I got to say watching your videos is so much fun!

    • @AdamPanagos
      @AdamPanagos  Před 6 lety

      Glad the videos have helped. I'm continuing to make more videos as I have time. Hopefully I'll get to some more abstract algebra concepts at some point in the future. Thanks for watching!

  • @mariabaloch9713
    @mariabaloch9713 Před 6 lety +6

    Best. Video. . . Explained well

  • @homayounyaqobi792
    @homayounyaqobi792 Před 4 lety +1

    Thanks for the useful examples. You made a lot of efforts for these examples. You are a great man.

    • @AdamPanagos
      @AdamPanagos  Před 4 lety

      Glad to have helped; thanks for watching.

  • @rajp5307
    @rajp5307 Před 6 lety +2

    Very well explained, sir😊
    Pretty easy to understand!

  • @jan-willemreens9010
    @jan-willemreens9010 Před 2 lety

    ...This video makes me happy, Adam. Using a not too difficult example, Spanning vectors are clearly explained! Thank you, Jan-W

    • @AdamPanagos
      @AdamPanagos  Před 2 lety +1

      I’m glad you enjoyed the video! Make sure to check out my website adampanagos.org for additional content (600+ videos) you might find helpful. Thanks, Adam

    • @jan-willemreens9010
      @jan-willemreens9010 Před 2 lety

      @@AdamPanagos ...Thank you for your kind reply and recommendation, I will definitely do that after watching several Linear Algebra videos of yours, as well as recommending your website and youtube channel to other friends interested in Linear Algebra or possible other topics! It really is a jungle of Mathematics on the internet, hence many thanks to you for providing more manageable structure in this... once again Adam, thank you very much! Jan-W

  • @RAVIPrakash-oq5ed
    @RAVIPrakash-oq5ed Před 5 lety +1

    Best video on spanning ..thank you so much for this!

    • @AdamPanagos
      @AdamPanagos  Před 4 lety

      You're very welcome, thanks for watching!

  • @parasbansal5667
    @parasbansal5667 Před 2 lety

    this video is really helpful, just before my exams - thank you

    • @AdamPanagos
      @AdamPanagos  Před 2 lety

      Glad I could help, thanks for watching. Make sure to check out my website adampanagos.org for additional content (600+ videos) you might find helpful. Thanks, Adam

  • @Becarefulthismath31.4
    @Becarefulthismath31.4 Před 4 lety +2

    Hello
    The video is very beautiful
    And one question please
    Why do you this E2=_1/3E2
    But you can do this
    E2=3E1+E2
    And continue the solution

    • @AdamPanagos
      @AdamPanagos  Před 4 lety +1

      Yes, what you suggest is fine as well. There are always MANY ways to do row reduction and still end up at the correct/same answer. What specific steps you perform is often just personal preference (similar to how people might simplify algebraic expressions in different steps but still end up at the same final answer). Hope that help!
      Adam

    • @Becarefulthismath31.4
      @Becarefulthismath31.4 Před 4 lety +1

      @@AdamPanagos Well done, thank you

    • @AdamPanagos
      @AdamPanagos  Před 4 lety

      @@Becarefulthismath31.4 You're welcome, thanks for watching!

  • @d3vilscry666
    @d3vilscry666 Před 3 lety +1

    At 2:50, you said x1 = a times a-b over 3. Did you mean minus?

    • @AdamPanagos
      @AdamPanagos  Před 3 lety

      Yes, sorry for misspeaking. You are correct. "a MINUS the quantity......"

  • @rayanegaiba8887
    @rayanegaiba8887 Před 3 lety +1

    Thank U!!

    • @AdamPanagos
      @AdamPanagos  Před 3 lety

      You're very welcome, thanks for watching. Make sure to check out my website adampanagos.org for additional content (600+ videos) you might find helpful. Thanks, Adam.

  • @dailyscienceexperimentsand2761

    Nice explanation 😀

    • @AdamPanagos
      @AdamPanagos  Před rokem

      Thank you for the kind words, I appreciate you watching. Make sure to check out my website adampanagos.org for additional content (600+ videos) you might find helpful. Thanks, Adam

  • @DavidMOUSSONGA
    @DavidMOUSSONGA Před rokem

    for two vectors to span a space they should be linearly independent , isn't it sir?

  • @bloodustmain6434
    @bloodustmain6434 Před 4 lety +1

    Thank you!

    • @AdamPanagos
      @AdamPanagos  Před 4 lety

      You're welcome. Glad I could help, thanks for watching.

  • @nandanaab387
    @nandanaab387 Před 6 lety

    Thank you sir for making my concepts perfect

  • @adeci
    @adeci Před 3 lety

    Amazing! Thank U ! You saved my life!

  • @kenethoboyi3343
    @kenethoboyi3343 Před 2 lety

    It is clearly explained and I was able to understand span of a vector

    • @AdamPanagos
      @AdamPanagos  Před 2 lety

      Glad I could help, thanks for watching. Make sure to check out my website adampanagos.org for additional content (600+ videos) you might find helpful. Thanks, Adam

  • @xiaoqingtian6542
    @xiaoqingtian6542 Před 4 měsíci

    Bes video for the vector span

  • @TrusfratedMochi
    @TrusfratedMochi Před 5 lety +1

    Thanks sir. Great explanation 👍🏻👍🏻👍🏻

    • @AdamPanagos
      @AdamPanagos  Před 5 lety

      Glad I could help, thanks for watching. Make sure to check out my website adampanagos.org where I have a lot of other videos and resources available that you might find helpful. Thanks, Adam.

  • @user-bu8mg7uq3s
    @user-bu8mg7uq3s Před 2 lety

    thanks

  • @princesschara
    @princesschara Před rokem

    excellent video!

    • @AdamPanagos
      @AdamPanagos  Před rokem +1

      I’m glad you enjoyed the video! Make sure to check out my website adampanagos.org for additional content (600+ videos) you might find helpful. Thanks, Adam

    • @princesschara
      @princesschara Před rokem +1

      @@AdamPanagos i love you

  • @fahxaidhe7668
    @fahxaidhe7668 Před 5 lety +2

    Da best

    • @AdamPanagos
      @AdamPanagos  Před 5 lety +1

      Thanks for the kind words! If you found the video useful make sure to check out my website adampanagos.org where I have a lot of other resources available and consider supporting development of new videos through www.patreon.com/agpanagos. Thanks for watching!
      Adam

  • @sinethembasithole3074
    @sinethembasithole3074 Před 2 lety

    Hi
    Can I ask, how did you compute your a and b

    • @AdamPanagos
      @AdamPanagos  Před 2 lety +1

      There isn't any computation for a and b. The values a and b are just arbitrary elements of the R2 vector [a; b]. They are variables; they aren't computed. We're seeing if for ANY values of a and b, we can write the given vectors as a linear combination to yield [a; b]. It turns out we can if we use the values of x1 and x2 computed in the video. So, no matter what a and b are, using x1 = a-(a-b)/3 and x2 = (a-b)/3 yields the linear combination x1*[1; 1] and x2*[1; -2] equal to [a; b].

  • @alessandrolagi2147
    @alessandrolagi2147 Před 3 lety +1

    Thank you so much i was impanicato ma mo tutto meglio daie

    • @AdamPanagos
      @AdamPanagos  Před 3 lety

      You're very welcome, thanks for watching.